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PartsTable / COMPONENT / 637830
637830 ✓ Verified by PartsTable
Legrand · 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 637830 is a Legrand industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-360-8132, 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
637830
NSN: 2520-00-360-8132
FSC: 2520
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,QQ-S-633,1137 TO 1141,2.152 IN. DIA,0.984 IN. WIDE,SPLINED BORE,6 SPLINES,0.956 IN. MINOR DIA,1.125 IN. MAJOR DIA IN
NSN2520-00-360-8132
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Legrand 637830 TITLE COMPONENT PN 637830 MFR Legrand 637830
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,QQ-S-633,1137 TO 1141,2.152 IN. DIA,0.984 IN. WIDE,SPLINED BORE,6 SPLINES,0.956 IN. MINOR DIA,1.125 IN. MAJOR DIA IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,QQ-S-633,1137 TO 1141,2.152 IN. DIA,0.984 IN. WIDE,SPLINED BORE,6 SPLINES,0.956 IN. MINOR DIA,1.125 IN. MAJOR DIA IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
A8186Interchangeable
interchangeable cross-reference
interchangeable
A6319Interchangeable
interchangeable cross-reference
interchangeable
Q174AInterchangeable
interchangeable cross-reference
interchangeable
83A6319Interchangeable
interchangeable cross-reference
interchangeable
GPW7105Interchangeable
Same NIIN cross-reference
interchangeable
B266177Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 637830?
637830 is a 637830 manufactured by Legrand.
What parts can replace 637830?
There are 8 known substitutes for 637830: A8186, A6319, Q174A and 5 more. Substitute compatibility should be verified for your specific system.
Is 637830 still available?
637830 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