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Technical Data Sheet
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3R637 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The HOLDER,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: RAIL TYPE; 17 IN. LG IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5140-01-625-1356, 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
3R637
NSN: 5140-01-625-1356
FSC: 5140
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
general_characteristics_item_descriptionRAIL TYPE; 17 IN. LG IN
NSN5140-01-625-1356
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,SOCKET WRENCH TITLE COMPONENT PN 3R637 MFR HOLDER,SOCKET WRENCH
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: RAIL TYPE; 17 IN. LG IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONRAIL TYPE; 17 IN. LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
2587Interchangeable
interchangeable cross-reference
interchangeable
2516-US26Interchangeable
interchangeable cross-reference
interchangeable
1045403Interchangeable
interchangeable cross-reference
interchangeable
37758Interchangeable
interchangeable cross-reference
interchangeable
8017130Interchangeable
interchangeable cross-reference
interchangeable
6-5030Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3R637?
3R637 is a HOLDER,SOCKET WRENCH.
What parts can replace 3R637?
There are 13 known substitutes for 3R637: 2587, 2516-US26, 1045403 and 10 more. Substitute compatibility should be verified for your specific system.
Is 3R637 still available?
3R637 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026