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Technical Data Sheet
PartsTable / COMPONENT / 666963
666963 ✓ 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

PLUNGER,EXTRACTOR ASSEMBLY,CHAMB. Key specifications include special_features: MATTERIAL,POLYMER AND STEEL, end_item_identification: 1005-01-660-0803;PISTOL,9 MILLIMETER,SEMI-AUTOMATIC MM, part_name_assigned_by_controlling_agency: PLUNGER,EXTRACTOR ASSEMBLY,CHAMBER LOADED INDICATOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-773-5506, 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
666963
NSN: 2520-00-773-5506
FSC: 2520
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
special_featuresMATTERIAL,POLYMER AND STEEL
end_item_identification1005-01-660-0803;PISTOL,9 MILLIMETER,SEMI-AUTOMATIC MM
part_name_assigned_by_controlling_agencyPLUNGER,EXTRACTOR ASSEMBLY,CHAMBER LOADED INDICATOR
NSN2520-00-773-5506
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Legrand PLUNGER,EXTRACTOR ASSEMBLY,CHAMB TITLE COMPONENT PN 666963 MFR Legrand PLUNGER,EXTRACTOR ASSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
34-49Interchangeable
interchangeable cross-reference
interchangeable
D15-661KPC56-67Interchangeable
interchangeable cross-reference
interchangeable
D15-661DPC56-67Interchangeable
interchangeable cross-reference
interchangeable
8548Interchangeable
interchangeable cross-reference
interchangeable
209-063-505-1Interchangeable
interchangeable cross-reference
interchangeable
3922Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 666963?
666963 is a PLUNGER,EXTRACTOR ASSEMBLY,CHAMB manufactured by Legrand.
What parts can replace 666963?
There are 17 known substitutes for 666963: 34-49, D15-661KPC56-67, D15-661DPC56-67 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 666963?
666963 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-773-5506. 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: July 2026