PartsTable
Technical Data Sheet
Download PDF

8110021 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8110021: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, thread_class: 2A A, thread_length: 2.25 INCHES NOMINAL IN, fastener_length: 2.25 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-665-4252, 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
8110021
NSN: 5305-01-665-4252
FSC: 5305 — Screws
CAGE: 4B100 — INDIAN HEAD INDUSTRIES, INC. DIV MGM BRAKES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
thread_class2A A
thread_length2.25 INCHES NOMINAL IN
fastener_length2.25 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.50 INCHES NOMINAL IN
end_item_identificationMRAP - M-ATV
nominal_thread_diameter0.31 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
part_name_assigned_by_controlling_agencySCREW, CAP, HEX .31 - 24 X 2.25 G8
NSN5305-01-665-4252
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8110021 · 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: 2.25 INCHES NOMINAL IN
•
THREAD LENGTH: 2.25 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.31 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.50 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
FASTENER LENGTH2.25 INCHES NOMINAL IN
THREAD LENGTH2.25 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.31 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.50 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, CAP, HEX .31 - 24 X 2.25 G8
THREAD CLASS2A A
END ITEM IDENTIFICATIONMRAP - M-ATV
THREAD QUANTITY PER INCH24
SUBSTITUTES & CROSS-REFERENCES 1
4194140Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 8110021?
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 8110021?
8110021 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 8110021?
There is 1 known substitute for 8110021: 4194140. Substitute compatibility should be verified for your specific system.
What is the NSN for 8110021?
8110021 is cataloged in the U.S. Government catalog under NSN 5305-01-665-4252. 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 — 8110021

✓ 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.