PartsTable
Technical Data Sheet
Download PDF

4000391004 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4000391004: 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: 0.403 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.50 INCHES NOMINAL IN, fastener_length: 3.403 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-680-2471, 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
4000391004
NSN: 5305-01-680-2471
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.403 INCHES MAXIMUM IN
thread_class2A A
thread_length1.50 INCHES NOMINAL IN
fastener_length3.403 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.938 INCHES MAXIMUM IN
end_item_identification2355-01-641-2096
nominal_thread_diameter0.62 INCHES IN
thread_quantity_per_inch11
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-680-2471
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4000391004 · 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: 0.403 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.403 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.50 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.62 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.938 INCHES MAXIMUM IN
•
COLOR: BLACK OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.403 INCHES MAXIMUM IN
FASTENER LENGTH3.403 INCHES MAXIMUM IN
THREAD LENGTH1.50 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.62 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.938 INCHES MAXIMUM IN
COLORBLACK OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCR, CAP, HEX .62-11 TAB G8 MB
THREAD CLASS2A A
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
Ready to buy 4000391004?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4000391004?
4000391004 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 4000391004?
4000391004 is cataloged in the U.S. Government catalog under NSN 5305-01-680-2471. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4000391004

✓ 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.