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4042408004 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4042408004: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.371 INCHES MAXIMUM IN, thread_length: 1.69 INCHES MINIMUM AND 1.81 INCHES MAXIMUM IN, fastener_length: 1.69 INCHES MINIMUM AND 1.81 INCHES MAXIMUM IN, special_features: MATERIAL IS GRADE 8 STEEL. FINISH PER FM100:D60, TYPE 1., thread_direction: RIGHT-HAND.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-643-9436, 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
4042408004
NSN: 5305-01-643-9436
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.371 INCHES MAXIMUM IN
thread_length1.69 INCHES MINIMUM AND 1.81 INCHES MAXIMUM IN
fastener_length1.69 INCHES MINIMUM AND 1.81 INCHES MAXIMUM IN
special_featuresMATERIAL IS GRADE 8 STEEL. FINISH PER FM100:D60, TYPE 1.
thread_directionRIGHT-HAND
width_between_flats0.798 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
end_item_identification4210-01-622-0440; MRAP - M-ATV
nominal_thread_diameter0.56 INCHES IN
thread_quantity_per_inch12
part_name_assigned_by_controlling_agencySCR, CAP, HEX
NSN5305-01-643-9436
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4042408004 · 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: 0.371 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.69 INCHES MINIMUM AND 1.81 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.69 INCHES MINIMUM AND 1.81 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.56 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.798 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.371 INCHES MAXIMUM IN
FASTENER LENGTH1.69 INCHES MINIMUM AND 1.81 INCHES MAXIMUM IN
THREAD LENGTH1.69 INCHES MINIMUM AND 1.81 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.56 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.798 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
SPECIAL FEATURESMATERIAL IS GRADE 8 STEEL. FINISH PER FM100:D60, TYPE 1.
PART NAME ASSIGNED BY CONTROLLING AGENCYSCR, CAP, HEX
END ITEM IDENTIFICATION4210-01-622-0440; MRAP - M-ATV
SUBSTITUTES & CROSS-REFERENCES 1
4042408Reference 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 4042408004?
4042408004 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 4042408004?
There is 1 known substitute for 4042408004: 4042408. Substitute compatibility should be verified for your specific system.
What is the NSN for 4042408004?
4042408004 is cataloged in the U.S. Government catalog under NSN 5305-01-643-9436. 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.