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57K6883 — ARMOR,SUPPLEMENTAL,SMALL ARMS-FR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

57K6883: ARMOR,SUPPLEMENTAL,SMALL ARMS-FR.

ARMOR,SUPPLEMENTAL,SMALL ARMS-FR. Key specifications include overall_thickness: 0.250 INCHES NOMINAL IN, end_item_identification: 2420-01-532-3399, part_name_assigned_by_controlling_agency: SHIM,HINGE. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-579-3629, 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
57K6883
NSN: 5305-01-579-3629
NIINs: 015793629, 015794713, 015795914, 015800518
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
overall_thickness0.250 INCHES NOMINAL IN
end_item_identification2420-01-532-3399
part_name_assigned_by_controlling_agencySHIM,HINGE
NSN5305-01-579-3629
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 57K6883 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 2
6430443Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
6430443-135M1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 57K6883?
57K6883 is a ARMOR,SUPPLEMENTAL,SMALL ARMS-FR.
What parts can replace 57K6883?
There are 2 known substitutes for 57K6883: 6430443, 6430443-135M1. Substitute compatibility should be verified for your specific system.
What is the NSN for 57K6883?
57K6883 is cataloged in the U.S. Government catalog under NSN 5305-01-579-3629. This indicates validated use in U.S. government and defense supply chains.
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