Clock Mainspring Chart

This page is a chapter in CLOCK MAINTENANCE
Last updated December 30, 2008
Copyright by S. LaRose, Inc.
CLOCK SPRINGS FOR OLDER MODELS Including: Ansonia, Chelsea, China Plate, Gilbert, Ingraham, New Haven, Parker, Phinney Walker, Sessions, Seth Thomas, and Waterbury.
The catalog #'s are S. LaRose catalog Numbers and all measurements are in inches and follow the standard Width X Strength X Length sizes.
Chart sourced from: http://www.atmosman.com - ftp://atmos-man.com/pdf/mainspr.pdf Originally posted in the Clock Repair Forum by Grant Perry.

MakeCat. No.SizeEndDescriptionSource
ANSONIACML-95.53/8" x .014" x 60"LoopTime Spring for Amazone, Clatter, Flash, Pirate, Presto, Princess, Racket, Rally, Repeater, Startle, Tattler, Trolley and Trump.LaRose
ANSONIACML-64.41/4" x .010" x 26"LoopAlarm spring for Amazone, Flash, Pirate, Presto, Racket, Rally and Tourist. Time spring for Carriage.LaRose
ANSONIACML-95.33/8" x .013" x 34"LoopAlarm spring for Clatter, Tattler and Trump.LaRose
ANSONIACML-64.61/4" x .012" x 41"LoopTime spring for Midget.LaRose
ANSONIACML-110.17/16" x .014" x 72"LoopAlarm spring for Repeater and Trolley.LaRose
ANSONIACML-160.15/8" x .013" x 69"LoopTime spring for Simplex.LaRose
ANSONIACML-64.71/4" x .013" x 24"LoopTime spring for Stark and Tot. Alarm spring for Tot.LaRose
ANSONIACMH-160.55/8" x .013" x 105"HoleTime spring for Spark and 8-Day.LaRose
ANSONIACML-95.93/8" x .017" x 96"LoopFor 8 Day Capitol Clock.LaRose
ANSONIACML-143.39/16" x .018" x 96"LoopFor 8 Day Lever and Bungalo Clock.LaRose
ANSONIACMH-190.93/4" x .012" x 90"HoleFor Marquise Time and Strike.LaRose
ANSONIANA3/4" x .014" x 108"LoopBelmont - Time and Strike are the SameHow to Repair
ANSONIANA5/8" x .014" x 120"LoopLa Normandie - Time SpringHow to Repair
ANSONIANA3/4" x .014" x 108"LoopLa Normandie - Strike SpringHow to Repair
CHELSEA CLOCK COMPANYCMH-135.117/32" x .010" x 72"HoleTime spring.LaRose
CHELSEA CLOCK COMPANYCMH-170.143/64" x .011" x 72"HoleStrike spring.LaRose
CHINA PLATE CLOCKCMH-127.31/2" x .015" x 36"HoleLaRose
CHINA PLATE CLOCKCML-110.27/16" x .018" x 48"LoopLaRose
GILBERT CLOCKCML-95.83/8" x .016" x 60"LoopTime spring for All Time,Bi-Nite, Connecticut, Design, Radium, Tornado, Wake-up, No. 4582 to No.4587.LaRose
GILBERT CLOCKCML-8025/16" x .009" x 36"LoopAlarm spring for All Time,Connecticut, Design, Radium, No. 4582 to No. 4585 and No. 4601 to No. 4602.LaRose
GILBERT CLOCKCML-80.15/16" x .009" x 20"LoopAlarm spring for Bi-Nite, Tornado, Wake-up No. 4570, No. 4581, No. 4582, No. 4584, No. 4586, and No. 4587.LaRose
GILBERT CLOCKCML-143.29/16" x .016" x 66"LoopTime spring for "Nine" Clock and 8 Day Lever Clock.LaRose
GILBERT CLOCKCML-127.31/2" x .016" x 66"LoopAlarm spring for "Nine" Clock.LaRose
GILBERT CLOCKCML-190.43/4" x .017" x 120"LoopFor 8 Day Pendulum, Time and Strike.LaRose
GILBERT CLOCKCMH-127.21/2" x .013" x 60"HoleTime spring for 4000 Series.LaRose
GILBERT CLOCKCML-190.53/4" x .018" x 96"LoopFor 8 Day Pendulum, Time and Strike.LaRose
GILBERT CLOCKNA3/4" x .0165" x 96"LoopTime and Strike for AmboyHow to Repair
INGRAHAMCML-127.31/2" x .016" x 66"LoopTime spring for Ace and Victory, Miller Plate, Miller Kitchen and Victorian, National Call.LaRose
INGRAHAMCML-95.83/8" x .016" x 60"LoopTime spring for N.M. Admiral, Autocrat, Liberty, Comet, Dawn, Flyer, Indian, Rattler, Sentinel, Sentry, "Style" Queen, Vim, X-Ray, LiberatorLaRose
INGRAHAMCML-70.99/32" x .017" x 48"LoopAlarm spring for N.M. Admiral, Autocrat, Liberty and Victory.LaRose
INGRAHAMCML-6441/4" x .010" x 26"LoopAlarm spring for Comet, Dawn, Flyer Indian, Rattler, Sentinel, Sentry and X-Ray.LaRose
INGRAHAMCML-190.53/4" x .018" x 96"LoopTime Strike spring for 8 Day Parlor and Mantel and Office Clock.LaRose
INGRAHAMNA3/4" x .017" x 96"LoopTime and Strike Spring for AmuletHow to Repair
INGRAHAMNA3/4" x .017" x 96"LoopTime and Strike Spring for DominoHow to Repair
NEW HAVENCML-127.21/2" x .015" x 84"LoopTime Spring and Alarm spring for Automatic Signal, Ti-Tan, 8 Day.LaRose
NEW HAVENCML-95.83/8" x .016" x 60"LoopTime spring for Beacon, Commuter, N.S., Tell Tale and Tick Tock Pro-Prompter, Abbey, Artlarm, St.Elmo, Recall and Tom Tom.LaRose
NEW HAVENCML-64.41/4" x .010" x 26"LoopAlarm spring for Beacon.LaRose
NEW HAVENCML-70.49/32" x .009" x 30"LoopTime spring for Brownie, Tattoo, Junior, Artlarm, O.M. Tell Tale, Tick Tock and Tidy Tot.LaRose
NEW HAVENCML-56.17/32" x .011 " x 24"LoopAlarm spring for Brownie, O.M.,Tattoo Junior.LaRose
NEW HAVENCML-95.33/8" x .013" x 34"LoopAlarm spring for Commuter,Prompter, Slumber Stopper, Tattoo and Tom Tom.LaRose
NEW HAVENCML-40.25/32" x .009" x 26"LoopAlarm spring for N.M., Tattoo Junior, Tell Tale, Tick Tock and Tiny Tot.LaRose
NEW HAVENCML-143.19/16" x .015" x 78"LoopTime spring for Tetite Time-Tambour.LaRose
NEW HAVENCML-190.53/4" x .018" x 96"LoopTime spring for 8 Day Combo.LaRose
NEW HAVENCML-190.43/4" x .017" x 120"LoopTime and Strike spring for 8 Day Combo No. 2.LaRose
NEW HAVENCML-190.13/4" x .012" x 72"LoopTime and Strike spring for Class Reg.LaRose
NEW HAVENCMH-222.57/8" x .013" x 72"HoleTime and Strike spring for Chime Clock.LaRose
NEW HAVENCMH-190.13/4" x .009" x 72"HoleStrike spring for Chime clock.LaRose
NEW HAVENCMH-190.13/4" x .014" x 90"HoleTime spring for Harmonious and Duo clock and No. 180.LaRose
NEW HAVENCMH-190.93/4" x .012" x 90"HoleStrike spring for Harmonious and Duo Clock and No. 180.LaRose
NEW HAVENNA3/4" x .015" x 126"HoleTime and Strike for New Haven #95How to Repair
NEW HAVENCML-64.31/4" x .008" x 39"LoopFor Studebaker Auto Clock.LaRose
NEW HAVENCMH-160.65/8" x .014" x 70"HoleFor Ormond 8 Day Clock.LaRose
PARKER CLOCK COMPANYCMH-64.41/4" x .011" x 39"HoleAlarm spring.LaRose
PARKER CLOCK COMPANYCML-95.33/8" x .013" x 34"LoopAlarm spring.LaRose
PARKER CLOCK COMPANYCML-95.53/8" x .014" x 60"LoopAlarm spring.LaRose
PHINNEY WALKER CLOCK COMPANYCMH-160.75/8" x .016" x 59"HoleLaRose
PHINNEY WALKER CLOCK COMPANYCMH-190.13/4" x .013" x 54"HoleLaRose
PHINNEY WALKER CLOCK COMPANYCMH-48.13/16" x .009" x 24"HoleLaRose
SESSIONSCMH-160.75/8" x .016" x 59"HoleTime and Alarm spring for all 8 Day Alarm Clocks.LaRose
SESSIONSNA5/8" x .0165" x 96"LoopTime Spring for No.2 RegulatorHow to Repair
SESSIONSNA5/8" x .0165" x 112"LoopTime and Stike Spring for CredoHow to Repair
SESSIONSCML-95.93/8" x .017" x 96"LoopTime spring for Verdi Clock.LaRose
SESSIONSCML-175.211/16" x .018" x 96"LoopStrike spring for Verdi Clock.LaRose
SESSIONSCML-64.71/4" x .013" x 24"LoopFor Kitchen Alarm, Jigger.LaRose
SESSIONSCMH-80.15/16" x .008" x 27"HoleFor 30 Hour Clocks.LaRose
SESSIONSCMH-160.65/8" x .014" x 70"HoleFor 8 Day Marine and Ormond Clocks.LaRose
SESSIONSCML-190.53/4" x .018" x 96"LoopFor 8 Day Parlor, Kitchen and Banjo Clocks.LaRose
SESSIONSCML-190.53/4" x .018" x 96"LoopTime, Strike and Chime spring for Chime clocks.LaRose
SESSIONSCML-160.15/8" x .018" x 96"LoopFor all late Model Alarm Clocks, Time and Alarm.LaRose
SETH THOMASCML-95.83/8" x .016" x 60"LoopMovement No. 1. Time spring.LaRose
SETH THOMASCMH-160.95/8" x .018" x 72"HoleMovement No. 2. Time spring.LaRose
SETH THOMASCML-95.83/8" x .016" x 60"LoopMovement No. 3. Time spring.LaRose
SETH THOMASCML-127.61/2" x .018" x 96"LoopMovement No. 3. Alarm spring.LaRose
SETH THOMASCML-80.105/16" x .016" x 54"LoopMovement No. 4. Strike spring.LaRose
SETH THOMASCML-110.37/16" x .018" x 60"LoopMovement No. 6. Time spring.LaRose
SETH THOMASCMH-160.45/8" x .013" x 78"HoleMovement No. 7. Time spring.LaRose
SETH THOMASCMH-160.105/8" x .018" x 96"HoleMovement No. 11. Strike spring.LaRose
SETH THOMASCMH-160.115/8" x .024" x 108"HoleMovement No. 22 Time spring.LaRose
SETH THOMASCMH-190.93/4" x .012" x 90"HoleMovement No. 11 Strike spring.LaRose
SETH THOMASCML-175.111/16" x .015" x 108"LoopMovement No. 41 Time spring.LaRose
SETH THOMASCMH-190.93/4" x .012" x 90"HoleMovement No. 48 Time spring.LaRose
SETH THOMASCMH-190.163/4" x .016" x 60"HoleMovement No. 48 Strike spring.LaRose
SETH THOMASCMH-190.103/4" x .013" x 54"HoleMovement No. 51. Time and Strike spring.LaRose
SETH THOMASCML-190.43/4" x .017" x 120"LoopMovement No. 86 Time spring.LaRose
SETH THOMASCML-190.43/4" x .017" x 120"LoopMovement No. 89. Time and Strike spring.LaRose
SETH THOMASCMH-127.41/2" x .016" x 65"HoleMovement No. 103 Time spring.LaRose
SETH THOMASCMH-160.45/8" x .013" x 78"HoleMovement No. 103A. Time spring.LaRose
SETH THOMASCMH-190.163/4" x .016" x 60"HoleMovement No. 105 Time spring.LaRose
SETH THOMASCMH-190.103/4" x .013" x 54"HoleMovement No. 105. Strike spring.LaRose
SETH THOMASCML-95.83/8" x .016" x 60"LoopMovement No. 109. Time spring.LaRose
SETH THOMASCML-127.31/2" x .016" x 66"LoopMovement No. 110. Time and Alarm spring.LaRose
SETH THOMASCMH-222.87/8" x .018" x 84"HoleMovement No. 113. Time and Strike spring.LaRose
SETH THOMASCMH-254.11" x .018" x 96"HoleMovement No. 11 3AB. Time and Strike spring.LaRose
SETH THOMASCMH-254.11" x .018" x 96"HoleMovement No. 11 3AB. Chime spring.LaRose
SETH THOMASCMH-190.53/4" x .011" x 50"HoleMovement No. 11 5A. Strike spring.LaRose
SETH THOMASCMH-175.211/16" x .014" x 54"HoleMovement No. 11 5B. Time spring.LaRose
SETH THOMASCMH-127.21/2" x .013" x 60"HoleMovement No. 116. Time spring.LaRose
SETH THOMASCMH-175.211/16" x .014" x 54"HoleMovement No. 120. Time and Strike spring.LaRose
SETH THOMASCMH-254.21" x .0228" x 130"HoleSonora chime.LaRose
SETH THOMASCML-190.43/4" x .017" x 120"LoopMovement No. 123. Time and Strike spring.LaRose
SETH THOMASCMH-175.211/16" x .014" x 54"HoleMovement No. 124. Time and Strike spring.LaRose
SETH THOMASCMH-190.123/4" x .015" x 72"HoleMovement No. 124. Chime spring.LaRose
SETH THOMASCMH-175.111/16" x .012" x 72"HoleMovement No. 125. Time spring.LaRose
SETH THOMASCMH-175.211/16" x .014" x 54"HoleMovement No. 125. Strike spring.LaRose
SETH THOMASCMH-160.95/8" x .018" x 72"HoleShips Bell.LaRose
SETH THOMASCML-80.115/16" x .016" x 72"LoopMovement No. 673.LaRose
SETH THOMASCMH-95.23/8" x .011" x 48"HoleMovement No. 5100.LaRose
SETH THOMASNA3/4" x .017" x 108"LoopTime and Strike Spring for Salem CottageHow to Repair
SETH THOMASNA3/8" x .015" x 60"LoopTime and Strike Spring for 30 Hour AthensHow to Repair
SETH THOMASNA11/16" x .018" x 82"LoopTime and Strike Spring for Sharon (A-200)How to Repair
WATERBURYCML-95.43/8" x .014" x 48"LoopTime spring for Must-Get-Up, Spasmodic, Sunrise, Tumcut, Twin, Vanatle, Vigilant, One Day Lever.LaRose
WATERBURYCML-127.51/2" x .018" x 60"LoopAlarm spring for Must-Get-Up, Relay and Spasmodic.LaRose
WATERBURYCMH-95.33/8" x .014" x 48"HoleTime spring for Relay, Relay Junior, Royal Thrift.LaRose
WATERBURYCML-56.17/32" x .011" x 24"LoopAlarm spring for Royal, Sunrise, Thrift, Turn-Out, Twin, Vigilent and No-Sleep.LaRose
WATERBURYCMH-40.25/32" x .008" x 24"HoleAlarm spring for Skip and \Wanderer, and 1 Day Lever Strike.LaRose
WATERBURYCML-80.65/16" x .013" x 24"LoopAlarm spring for Vanitie.LaRose
WATERBURYCMH-80.155/16" x .016" x 54"HoleSpring for 1 Day Lever.LaRose
WATERBURYCMH-190.83/4" x .012" x 75"HoleStrike spring for Mantel Clock.LaRose
WATERBURYCML-190.13/4" x .012" x 72"LoopStrike spring for Mantel Clock.LaRose
WATERBURYCML-190.33/4" x .016" x 78"LoopStrike spring and Mantel Clock.LaRose
WATERBURYCML-190.43/4" x .017" x 120"LoopTime spring for Chime 34, 34D, 35, and 30 Movement, also for 337 to 340 Movements.LaRose
WATERBURYCML-190.23/4" x .014" x 108"Loop30 Day Clock Time Side (has no strike).LaRose
WATERBURYCML-190.23/4" x .014" x 108"LoopStrike spring for Chimes 34,34D,30 and 35. Also for 337 to 340 Movements.LaRose
WATERBURYCMH-190.83/4" x .012" x 75"HoleTime Spring for 1 Day Cabinet.LaRose
WATERBURYCML-95.63/8" x .015" x 53"LoopMickey Mouse.LaRose
WATERBURYNA5/16" x .014" x 51"LoopTime Spring CottageHow to Repair
WATERBURYNA5/16" x .015" x 52"LoopStrike Spring CottageHow to Repair
WATERBURYNA3/4" x .013" x 108"LoopTime and Strike Spring Canton (Star)How to Repair
WATERBURYNA3/4" x .017" x 112"LoopTime and Strike Spring-Antrim (Star)How to Repair
WELCHNA3/8" x .016" x 62"LoopTime Spring - Italian No. 3How to Repair
WELCHNA3/8" x .017" x 61"LoopStrike Spring - Italian No. 3How to Repair
WELCHNA5/16" x .013" x 72"LoopTime and Stike Spring - Patti - Each Gear Train Has Two Mainsprings, Linked End To End.How to Repair

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