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4322649-73 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4322649-73: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: 5/8" UNC 2A HEX HD BOLT, L 8 1/2"; MATERIAL IS ACTUALLY STEEL AND ALLOY, GRADE 2, TYPE II A, end_item_identification: SCUTTLE, ACFT CARRIER CVAN 68, thread_series_designator: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5305-01-468-8410, 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
4322649-73
NSN: 5305-01-468-8410
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_features5/8" UNC 2A HEX HD BOLT, L 8 1/2"; MATERIAL IS ACTUALLY STEEL AND ALLOY, GRADE 2, TYPE II A
end_item_identificationSCUTTLE, ACFT CARRIER CVAN 68
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-468-8410
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4322649-73 · 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
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES5/8" UNC 2A HEX HD BOLT, L 8 1/2"; MATERIAL IS ACTUALLY STEEL AND ALLOY, GRADE 2, TYPE II A
END ITEM IDENTIFICATIONSCUTTLE, ACFT CARRIER CVAN 68
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
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 2
124-4322649 PC 73Reference document
Same NSN cross-reference
Reference document — Secondary reference
5/8-11UNC-2A LG =8-1/2Reference 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 4322649-73?
4322649-73 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 4322649-73?
There are 2 known substitutes for 4322649-73: 124-4322649 PC 73, 5/8-11UNC-2A LG =8-1/2. Substitute compatibility should be verified for your specific system.
What is the NSN for 4322649-73?
4322649-73 is cataloged in the U.S. Government catalog under NSN 5305-01-468-8410. 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.