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PartsTable / COMPONENT / MS35291-34
MS35291-34 ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.874 INCHES MINIMUM IN, surface_finish: 63.0 MICROINCHES THREADS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-225-8499, 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
MS35291-34
NSN: 5306-00-225-8499
FSC: 5306
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_class2A A
thread_length0.874 INCHES MINIMUM IN
surface_finish63.0 MICROINCHES THREADS
fastener_length0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
hardness_rating25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
NSN5306-00-225-8499
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS35291-34 · 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 QUANTITY PER INCH: 18
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
MINIMUM TENSILE STRENGTH: 120000 POUNDS PER SQUARE INCH LBS
•
THREAD LENGTH: 0.874 INCHES MINIMUM IN
•
HEAD STYLE: HEXAGON
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH18
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH LBS
END ITEM IDENTIFICATIONMRAP - M-ATV W/CS13 POP; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
THREAD LENGTH0.874 INCHES MINIMUM IN
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
FFS85Upgraded Successor
successor cross-reference
successor
186274Upgraded Successor
successor cross-reference
successor
MS90725-52Upgraded Successor
successor cross-reference
successor
0251428Upgraded Successor
successor cross-reference
successor
MS90726-40Upgraded Successor
successor cross-reference
successor
301551Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35291-34?
MS35291-34 is a BOLT,MACHINE.
What parts can replace MS35291-34?
There are 34 known substitutes for MS35291-34: FFS85, 186274, MS90725-52 and 31 more. Substitute compatibility should be verified for your specific system.
Is MS35291-34 still available?
MS35291-34 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026