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91306A679 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91306A679: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: ZINC ALLOY HEAD, head_style: HEXAGON, thread_length: 25.0 MILLIMETERS MAXIMUM MM, fastener_length: 4.4 MILLIMETERS MAXIMUM MM, thread_direction: RIGHT-HAND, internal_drive_style: SIX SPLINE. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-660-8599, 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
91306A679
NSN: 5305-01-660-8599
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialZINC ALLOY HEAD
head_styleHEXAGON
thread_length25.0 MILLIMETERS MAXIMUM MM
fastener_length4.4 MILLIMETERS MAXIMUM MM
thread_directionRIGHT-HAND
internal_drive_styleSIX SPLINE
thread_series_designatorM
NSN5305-01-660-8599
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91306A679 · 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
•
FASTENER LENGTH: 4.4 MILLIMETERS MAXIMUM MM
•
THREAD LENGTH: 25.0 MILLIMETERS MAXIMUM MM
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: SIX SPLINE
•
MATERIAL: ZINC ALLOY HEAD
•
THREAD SERIES DESIGNATOR: M
TECHNICAL CHARACTERISTICS
FASTENER LENGTH4.4 MILLIMETERS MAXIMUM MM
THREAD LENGTH25.0 MILLIMETERS MAXIMUM MM
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLESIX SPLINE
MATERIALZINC ALLOY HEAD
THREAD SERIES DESIGNATORM
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91306A679?
91306A679 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 91306A679?
91306A679 is cataloged in the U.S. Government catalog under NSN 5305-01-660-8599. 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.