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91400A203 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91400A203: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5305-00-054-6676, 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
91400A203
NSN: 5305-00-054-6676
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
Part Number91400A203
NSN5305-00-054-6676
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91400A203 · 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 9
MS51955-51Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
112-0782-051Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS35216-48Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
915014-0051Reference document
Same NSN cross-reference
Reference document — Secondary reference
4912532-06Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
23073Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91400A203?
91400A203 is a SCREW,MACHINE.
What parts can replace 91400A203?
There are 9 known substitutes for 91400A203: MS51955-51, 112-0782-051, MS35216-48 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91400A203?
91400A203 is cataloged in the U.S. Government catalog under NSN 5305-00-054-6676. 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.