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91247A364 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91247A364: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.312 INCHES MINIMUM IN, thread_class: 2A A, thread_length: 4.000 INCHES MINIMUM IN, fastener_length: 4.312 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-533-1157, 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
91247A364
NSN: 5305-01-533-1157
FSC: 5305 — Screws
CAGE: 3A054 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.312 INCHES MINIMUM IN
thread_class2A A
thread_length4.000 INCHES MINIMUM IN
fastener_length4.312 INCHES MINIMUM IN
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats0.750 INCHES MINIMUM IN
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
NSN5305-01-533-1157
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91247A364 · 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 HEIGHT: 0.312 INCHES MINIMUM IN
•
FASTENER LENGTH: 4.312 INCHES MINIMUM IN
•
THREAD LENGTH: 4.000 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.750 INCHES MINIMUM IN
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.312 INCHES MINIMUM IN
FASTENER LENGTH4.312 INCHES MINIMUM IN
THREAD LENGTH4.000 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.750 INCHES MINIMUM IN
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A A
THREAD QUANTITY PER INCH20
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 1
3000400-444Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 91247A364?
91247A364 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 91247A364?
There is 1 known substitute for 91247A364: 3000400-444. Substitute compatibility should be verified for your specific system.
What is the NSN for 91247A364?
91247A364 is cataloged in the U.S. Government catalog under NSN 5305-01-533-1157. 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.