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4000280004 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4000280004: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL FASTENER, head_style: HEXAGON, head_height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN, thread_length: 0.880 INCHES NOMINAL IN, fastener_length: 1.500 INCHES NOMINAL IN, special_features: STEEL GRADE 8;NO LOCK;FINISH IS FM100 D60 TYPE 1 BLACK 575;SAE J429. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-614-5698, 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
4000280004
NSN: 5305-01-614-5698
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL FASTENER
head_styleHEXAGON
head_height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_length0.880 INCHES NOMINAL IN
fastener_length1.500 INCHES NOMINAL IN
special_featuresSTEEL GRADE 8;NO LOCK;FINISH IS FM100 D60 TYPE 1 BLACK 575;SAE J429
thread_directionRIGHT-HAND
width_between_flats0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
end_item_identification2540016042617; MRAP - M-ATV
thread_quantity_per_inch18
nondefinitive_spec/std_dataBK COLOR AND 8 GRADE
part_name_assigned_by_controlling_agencySCREW,CAP,HEX 0.31-18 TAB G8 MB
NSN5305-01-614-5698
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4000280004 · 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: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.880 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: BK COLOR AND 8 GRADE
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
FASTENER LENGTH1.500 INCHES NOMINAL IN
THREAD LENGTH0.880 INCHES NOMINAL IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATABK COLOR AND 8 GRADE
SPECIAL FEATURESSTEEL GRADE 8;NO LOCK;FINISH IS FM100 D60 TYPE 1 BLACK 575;SAE J429
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,CAP,HEX 0.31-18 TAB G8 MB
END ITEM IDENTIFICATION2540016042617; MRAP - M-ATV
SUBSTITUTES & CROSS-REFERENCES 1
4000280Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4000280004?
4000280004 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 4000280004?
There is 1 known substitute for 4000280004: 4000280. Substitute compatibility should be verified for your specific system.
What is the NSN for 4000280004?
4000280004 is cataloged in the U.S. Government catalog under NSN 5305-01-614-5698. 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.