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PartsTable / COMPONENT / MS35304-178
MS35304-178 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, thread_length: 6.000 INCHES NOMINAL IN, fastener_length: 6.000 INCHES NOMINAL IN, special_features: MATERIAL: THROUGH-HARDENED MEDIUM CARBON ALLOY STEEL; GRADE 8, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-552-8788, 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
MS35304-178
NSN: 5305-01-552-8788
FSC: 5305
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
thread_length6.000 INCHES NOMINAL IN
fastener_length6.000 INCHES NOMINAL IN
special_featuresMATERIAL: THROUGH-HARDENED MEDIUM CARBON ALLOY STEEL; GRADE 8
thread_directionRIGHT-HAND
end_item_identification2320-01-531-6425; MRAP BUFFALO MK2A2
nominal_thread_diameter0.6250 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNF
part_name_assigned_by_controlling_agencyHEX HEAD CAP SCREW
NSN5305-01-552-8788
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS35304-178 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNF
•
NOMINAL THREAD DIAMETER: 0.6250 INCHES IN
•
THREAD QUANTITY PER INCH: 18
•
THREAD LENGTH: 6.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION2320-01-531-6425; MRAP BUFFALO MK2A2
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
SPECIAL FEATURESMATERIAL: THROUGH-HARDENED MEDIUM CARBON ALLOY STEEL; GRADE 8
PART NAME ASSIGNED BY CONTROLLING AGENCYHEX HEAD CAP SCREW
NOMINAL THREAD DIAMETER0.6250 INCHES IN
THREAD QUANTITY PER INCH18
THREAD LENGTH6.000 INCHES NOMINAL IN
HEAD STYLEHEXAGON
FASTENER LENGTH6.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
61-181Interchangeable
interchangeable cross-reference
interchangeable
3R8129Interchangeable
interchangeable cross-reference
interchangeable
4K1077Interchangeable
interchangeable cross-reference
interchangeable
103S14Interchangeable
interchangeable cross-reference
interchangeable
2523Interchangeable
interchangeable cross-reference
interchangeable
302677Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35304-178?
MS35304-178 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace MS35304-178?
There are 14 known substitutes for MS35304-178: 61-181, 3R8129, 4K1077 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS35304-178?
MS35304-178 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-552-8788. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026