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Technical Data Sheet
PartsTable / COMPONENT / MS35751-74
MS35751-74 ✓ 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: 0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN, head_height: 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN, neck_length: 0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-057-2510, 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
MS35751-74
NSN: 5306-00-057-2510
FSC: 5306
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleROUND
neck_width0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
head_height0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
neck_length0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.782 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN
thread_length1.000 INCHES MINIMUM IN
fastener_length2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN
hardness_rating95.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
NSN5306-00-057-2510
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS35751-74 · 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
•
MINIMUM TENSILE STRENGTH: 55000 POUNDS PER SQUARE INCH LBS
•
NECK WIDTH: 0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
•
HARDNESS RATING: 95.0 ROCKWELL B MAXIMUM OVERALL
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
FASTENER LENGTH: 2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
NECK WIDTH0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD LENGTH1.000 INCHES MINIMUM IN
FASTENER LENGTH2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
THREAD CLASS2A A
NECK LENGTH0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
NASM35751Upgraded Successor
successor cross-reference
successor
MS35751-75Upgraded Successor
successor cross-reference
successor
FF-B-584Upgraded Successor
successor cross-reference
successor
5306000572510Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35751-74?
MS35751-74 is a BOLT,SQUARE NECK.
What parts can replace MS35751-74?
There are 4 known substitutes for MS35751-74: NASM35751, MS35751-75, FF-B-584 and 1 more. Substitute compatibility should be verified for your specific system.
Is MS35751-74 still available?
MS35751-74 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