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Technical Data Sheet
PartsTable / COMPONENT / MS51105-332
MS51105-332 ✓ 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: 0.750 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES THREADS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-008-3693, 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
MS51105-332
NSN: 5306-00-008-3693
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_length0.750 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES THREADS
fastener_length0.719 INCHES MINIMUM AND 0.750 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
NSN5306-00-008-3693
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS51105-332 · 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
•
MINIMUM TENSILE STRENGTH: 120000 POUNDS PER SQUARE INCH LBS
•
SURFACE FINISH: 63.0 MICROINCHES THREADS
•
SHANK UNTHREADED HOLE DIAMETER: 0.074 INCHES MINIMUM AND 0.082 INCHES MAXIMUM FIRST HOLE IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH LBS
SURFACE FINISH63.0 MICROINCHES THREADS
SHANK UNTHREADED HOLE DIAMETER0.074 INCHES MINIMUM AND 0.082 INCHES MAXIMUM FIRST HOLE IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH18
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
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
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51105-332?
MS51105-332 is a BOLT,MACHINE.
What parts can replace MS51105-332?
There are 25 known substitutes for MS51105-332: FFS85, 186274, MS90725-52 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS51105-332?
MS51105-332 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-008-3693. 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