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NASM7874 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NASM7874: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEXAGON, grip_length: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN, head_height: 0.260 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.495 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-007-6043, 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
NASM7874
NSN: 5306-00-007-6043
NIINs: 000076043, 000686613, 001317181, 001394933, 001462528, 002448667, 004571292, 004904584, 005159279, 006378723, 007215857, 007541794, 008089833, 008090024, 008093964, 008155239, 008235900, 008271971, 008271972, 008368943, 008421237, 008456559, 008512619, 008660068, 008775556, 008832182, 008893007, 008893126, 009717659, 010239006, 010486064, 010492157, 010828229, 011057183, 011225448, 013173993, 013676367, 013757124, 014443574, 015593019, 016851475, 016852665
FSC: 5306 — Bolts
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEXAGON
grip_length0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
head_height0.260 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.495 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
thread_length0.797 INCHES MINIMUM AND 2.297 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length1.437 INCHES MINIMUM AND 1.484 INCHES MAXIMUM IN
hardness_rating27.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
special_featuresMS20033 IS CANCELLED AND SUPERCEDED BY NASM20033
thread_directionRIGHT-HAND
NSN5306-00-007-6043
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NASM7874 · 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
•
SURFACE FINISH: 32.0 MICROINCHES THREADS
•
HEAD HEIGHT: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.406 INCHES MINIMUM AND 1.453 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.640 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
•
HARDNESS RATING: 27.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
FASTENER LENGTH1.406 INCHES MINIMUM AND 1.453 INCHES MAXIMUM IN
THREAD LENGTH0.640 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES 2
MS20036-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LE20036-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NASM7874?
NASM7874 is a BOLT,MACHINE.
What parts can replace NASM7874?
There are 2 known substitutes for NASM7874: MS20036-6, LE20036-6. Substitute compatibility should be verified for your specific system.
What is the NSN for NASM7874?
NASM7874 is cataloged in the U.S. Government catalog under NSN 5306-00-007-6043. 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.