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Technical Data Sheet
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31-644 — Technical Data Sheet

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Lindy · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SHIFTER FORK,VEHICULAR is a Lindy industrial component. Key specifications include material: IRON, shaft_type: ROUND, FLATTED SINGLE ACTUATOR, flat_height: 0.188 INCHES NOMINAL SINGLE ACTUATOR IN, shaft_length: 0.875 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, overall_width: 0.938 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 2520-00-128-1117, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 31-644
NSN: 2520-00-128-1117
FSC: 2520
CAGE: 32157 — SWEEPSTER ATTACHMENTS, LLC (USA)
SPECIFICATIONS
materialIRON
shaft_typeROUND, FLATTED SINGLE ACTUATOR
flat_height0.188 INCHES NOMINAL SINGLE ACTUATOR IN
shaft_length0.875 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
overall_width0.938 INCHES NOMINAL IN
pole_quantity1 SINGLE SECTION REAR
terminal_typeTAB, SOLDER LUG
thread_length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_height1.938 INCHES NOMINAL IN
overall_length1.813 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
NSN2520-00-128-1117
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Lindy SHIFTER FORK,VEHICULAR TITLE COMPONENT PN 31-644 MFR Lindy SHIFTER FORK,VEHICULAR
KEY FEATURES
•
STYLE DESIGNATOR: STRAIGHT, SHAFT MOUNTED, CLAMP TYPE
•
MATERIAL: IRON
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT, SHAFT MOUNTED, CLAMP TYPE
SPECIAL FEATURESCLUTCH RELEASE MECHANISM GROUP,SNOW
MATERIALIRON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
16-769InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5841InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
509InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
35-1009-SW-02B-XFW-0/5000LBInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
278-1775-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
X509InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31-644?
31-644 is a SHIFTER FORK,VEHICULAR manufactured by Lindy. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31-644?
There are 23 known substitutes for 31-644: 16-769, 5841, 509 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-644?
31-644 is cataloged in the Federal Logistics Information System under NSN 2520-00-128-1117. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026