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UPS Holiday pick-up / delivery schedule:
To receive your merchandise via UPS or USPS Ground by December 24th ** (dealer discounted shipping rate), We must receive your order by 11:00 am PST on Wed. December 13th, 3-day delivery must be requested by 11:00 am PST Mon. December 18th (December 20th will be our last official ship day before Christmas).

#625 HO Scale Knuckle Spring for Scale Head Couplers

Availability: In stock
43 in stock
#625 HO Scale Knuckle Spring for Scale Head Couplers is available to buy in increments of 1

#625 Knuckle Spring for Scale Head HO-Scale Couplers


HO-Scale Knuckle Springs For use with all Scale Head Couplers.
(#58, #78, #119, #150-Series, #178 & #2100)

Kadee® Spring Specifications

One dozen per package

UPC: 765484006251

USA Flag  Made in the U.S.A.


Package Includes:

  • (1) Dozen #625 Knuckle Springs

#625 Spring Specifications:
Part Number (catalog)  -  625
Part Number (in house)  -  HO-4
Outside Diameter  -  0.054
Inside Diameter  -  0.046
Wire Diameter  -  0.004
Pitch  -  0.012
Total Coils  -  10.0
Free Length  -  0.133
Solid Height  -   0.040
Load (Solid Height)  -  5.0
Closed Coils  -  ¾
Material  -   PB

Recommended Tools:

Delayed Magnetic Uncoupling

WARNING WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

WARNING WARNING: CHOKING HAZARD - Small Parts - Not for children under 14 years.

Kadee Quality Products Co. products are not toys and are not intended for children under 14 years old.
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