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Technical Data Sheet
PartsTable / COMPONENT / MS35751-49
MS35751-49 ✓ 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: BUTTON, neck_width: 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN, head_height: 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN, neck_length: 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN, head_diameter: 0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-012-6662, 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
MS35751-49
NSN: 5306-00-012-6662
FSC: 5306
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_styleBUTTON
neck_width0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
head_height0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
neck_length0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
head_diameter0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
fastener_length2.940 INCHES MINIMUM AND 3.040 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
nominal_thread_diameter0.312 INCHES IN
minimum_tensile_strength55000 POUNDS PER SQUARE INCH LBS
nondefinitive_spec/std_data1 TYPE AND A STYLE AND 1 CLASS
material_document_and_classificationASTM A307 GR A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5306-00-012-6662
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS35751-49 · 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: STEEL OVERALL
•
MINIMUM TENSILE STRENGTH: 55000 POUNDS PER SQUARE INCH LBS
•
HEAD HEIGHT: 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
•
NECK LENGTH: 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.875 INCHES MINIMUM IN
•
THREAD QUANTITY PER INCH: 18
•
MINIMUM YIELD STRENGTH: 40000 POUNDS PER SQUARE INCH LBS
•
HEAD STYLE: BUTTON
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
HEAD HEIGHT0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
NECK LENGTH0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
THREAD LENGTH0.875 INCHES MINIMUM IN
THREAD QUANTITY PER INCH18
MINIMUM YIELD STRENGTH40000 POUNDS PER SQUARE INCH LBS
HEAD STYLEBUTTON
THREAD CLASS2A A
SURFACE TREATMENTZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
MS35751-164Upgraded Successor
successor cross-reference
successor
NASM35751Upgraded Successor
successor cross-reference
successor
MS35751-49Upgraded Successor
successor cross-reference
successor
FF-B-584Upgraded Successor
successor cross-reference
successor
21260Interchangeable
interchangeable cross-reference
interchangeable
120231Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35751-49?
MS35751-49 is a BOLT,SQUARE NECK.
What parts can replace MS35751-49?
There are 15 known substitutes for MS35751-49: MS35751-164, NASM35751, MS35751-49 and 12 more. Substitute compatibility should be verified for your specific system.
Is MS35751-49 still available?
MS35751-49 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