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91257A730 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91257A730: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, special_features: MATERIAL ZINC-PLATED ALLOY STEEL, thread_direction: RIGHT-HAND, end_item_identification: NSN: 3835-01-511-7335, part_name_assigned_by_controlling_agency: HEX HEAD CAP SCREW. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-533-3394, 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
91257A730
NSN: 5305-01-533-3394
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_styleHEXAGON
special_featuresMATERIAL ZINC-PLATED ALLOY STEEL
thread_directionRIGHT-HAND
end_item_identificationNSN: 3835-01-511-7335
part_name_assigned_by_controlling_agencyHEX HEAD CAP SCREW
NSN5305-01-533-3394
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91257A730 · 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
KEY FEATURES
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESMATERIAL ZINC-PLATED ALLOY STEEL
PART NAME ASSIGNED BY CONTROLLING AGENCYHEX HEAD CAP SCREW
END ITEM IDENTIFICATIONNSN: 3835-01-511-7335
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 91257A730?
91257A730 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 91257A730?
91257A730 is cataloged in the U.S. Government catalog under NSN 5305-01-533-3394. 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.