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91306A677 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91306A677: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: BUTTON, head_height: 4.4 MILLIMETERS NOMINAL MM, head_diameter: 14.0 MILLIMETERS NOMINAL MM, thread_length: 16.0 MILLIMETERS NOMINAL MM, fastener_length: 16.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-628-4086, 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
91306A677
NSN: 5305-01-628-4086
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleBUTTON
head_height4.4 MILLIMETERS NOMINAL MM
head_diameter14.0 MILLIMETERS NOMINAL MM
thread_length16.0 MILLIMETERS NOMINAL MM
fastener_length16.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
width_across_flats5.0 MILLIMETERS NOMINAL MM
internal_drive_styleHEXAGON
nominal_thread_diameter8.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters1.25
NSN5305-01-628-4086
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91306A677 · 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
•
WIDTH ACROSS FLATS: 5.0 MILLIMETERS NOMINAL MM
•
HEAD HEIGHT: 4.4 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 16.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.25
•
THREAD LENGTH: 16.0 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM
•
HEAD STYLE: BUTTON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS5.0 MILLIMETERS NOMINAL MM
HEAD HEIGHT4.4 MILLIMETERS NOMINAL MM
FASTENER LENGTH16.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.25
THREAD LENGTH16.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER8.0 MILLIMETERS MM
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91306A677?
91306A677 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 91306A677?
91306A677 is cataloged in the U.S. Government catalog under NSN 5305-01-628-4086. 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.