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91801A590 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91801A590: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include end_item_identification: M287(AT 4)LAUNCHER PRACTICE. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-271-1016, 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
91801A590
NSN: 5305-01-271-1016
FSC: 5305 — Screws
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)
SPECIFICATIONS
end_item_identificationM287(AT 4)LAUNCHER PRACTICE
NSN5305-01-271-1016
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91801A590 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONM287(AT 4)LAUNCHER PRACTICE
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
13230315Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91801A590?
91801A590 is a SCREW,MACHINE.
What parts can replace 91801A590?
There is 1 known substitute for 91801A590: 13230315. Substitute compatibility should be verified for your specific system.
What is the NSN for 91801A590?
91801A590 is cataloged in the U.S. Government catalog under NSN 5305-01-271-1016. This indicates validated use in U.S. government and defense supply chains.
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