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PartsTable / COMPONENT / MS35751-137
MS35751-137 ✓ 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,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: ROUND, neck_width: 0.492 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, head_height: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, neck_length: 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-089-1425, 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
MS35751-137
NSN: 5306-00-089-1425
FSC: 5306
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_styleROUND
neck_width0.492 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
head_height0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
neck_length0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
thread_class2A A
head_diameter1.032 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN
thread_length1.250 INCHES MINIMUM IN
fastener_length4.900 INCHES MINIMUM AND 5.100 INCHES MAXIMUM IN
hardness_rating95.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
NSN5306-00-089-1425
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS35751-137 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
FASTENER LENGTH: 4.900 INCHES MINIMUM AND 5.100 INCHES MAXIMUM IN
•
HARDNESS RATING: 95.0 ROCKWELL B MAXIMUM OVERALL
•
NECK WIDTH: 0.492 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
THREAD CLASS: 2A A
•
MINIMUM TENSILE STRENGTH: 55000 POUNDS PER SQUARE INCH LBS
•
THREAD QUANTITY PER INCH: 13
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
FASTENER LENGTH4.900 INCHES MINIMUM AND 5.100 INCHES MAXIMUM IN
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
NECK WIDTH0.492 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
THREAD CLASS2A A
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
THREAD QUANTITY PER INCH13
THREAD LENGTH1.250 INCHES MINIMUM IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
109115Upgraded Successor
successor cross-reference
successor
120955Upgraded Successor
successor cross-reference
successor
FFB584Upgraded Successor
successor cross-reference
successor
MT58Upgraded Successor
successor cross-reference
successor
MS35751-19Upgraded Successor
successor cross-reference
successor
MS35752&11Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35751-137?
MS35751-137 is a BOLT,SQUARE NECK.
What parts can replace MS35751-137?
There are 22 known substitutes for MS35751-137: 109115, 120955, FFB584 and 19 more. Substitute compatibility should be verified for your specific system.
Is MS35751-137 still available?
MS35751-137 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