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163857 — ARMOR,SUPPLEMENTAL,SMALL ARMS-FR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

163857: ARMOR,SUPPLEMENTAL,SMALL ARMS-FR.

ARMOR,SUPPLEMENTAL,SMALL ARMS-FR. Key specifications include end_item_identification: BRADLEY M2, M3 FAMILY OF VEHICLES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-790-8409, 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
163857
NSN: 3020-00-790-8409
NIINs: 007908409, 014848742, 015217958
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 71791 — CURTISS-WRIGHT CONTROLS, INC. DBA CURTISS WRIGHT DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
end_item_identificationBRADLEY M2, M3 FAMILY OF VEHICLES
NSN3020-00-790-8409
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ARMOR,SUPPLEMENTAL,SMALL ARMS-FR TITLE COMPONENT PN 163857 MFR ARMOR,SUPPLEMENTAL,SMA
KEY FEATURES
•
BORE NOMINAL DIAMETER: 1.225 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 1.415 INCHES FIRST END IN
•
TEETH QUANTITY: 32
•
BODY STYLE: PLAIN, SOLID
•
COUNTERBORE NOMINAL DIAMETER: 1.312 INCHES BOTH ENDS IN
•
BORE STYLE: W/COUNTERBORE BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.265 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER1.225 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER1.415 INCHES FIRST END IN
TEETH QUANTITY32
BODY STYLEPLAIN, SOLID
COUNTERBORE NOMINAL DIAMETER1.312 INCHES BOTH ENDS IN
BORE STYLEW/COUNTERBORE BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.265 INCHES FIRST END IN
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.100 INCHES SECOND END IN
FIRST STEP NOMINAL LENGTH0.061 INCHES SECOND END IN
NOMINAL OVERALL LENGTH0.480 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 2
131D5002Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
131D5002P01Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 163857?
163857 is a ARMOR,SUPPLEMENTAL,SMALL ARMS-FR.
What parts can replace 163857?
There are 2 known substitutes for 163857: 131D5002, 131D5002P01. Substitute compatibility should be verified for your specific system.
What is the NSN for 163857?
163857 is cataloged in the U.S. Government catalog under NSN 3020-00-790-8409. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.