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Technical Data Sheet
PartsTable / COMPONENT / MS35751-19
MS35751-19 ✓ 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: 0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, head_height: 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN, neck_length: 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-027-0722, 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
MS35751-19
NSN: 5306-00-027-0722
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_width0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
head_height0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
neck_length0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
thread_length0.750 INCHES MINIMUM IN
fastener_length1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
hardness_rating95.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC OVERALL
NSN5306-00-027-0722
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS35751-19 · 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 CLASS: 2A A
•
HEAD STYLE: BUTTON
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
HARDNESS RATING: 95.0 ROCKWELL B MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD HEIGHT: 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
HEAD STYLEBUTTON
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD HEIGHT0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH20
THREAD LENGTH0.750 INCHES MINIMUM IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MS35751-53Upgraded Successor
successor cross-reference
successor
FFB584Upgraded Successor
successor cross-reference
successor
119430Upgraded Successor
successor cross-reference
successor
21260Upgraded Successor
successor cross-reference
successor
120231Upgraded Successor
successor cross-reference
successor
NASM35751Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35751-19?
MS35751-19 is a BOLT,SQUARE NECK.
What parts can replace MS35751-19?
There are 11 known substitutes for MS35751-19: MS35751-53, FFB584, 119430 and 8 more. Substitute compatibility should be verified for your specific system.
Is MS35751-19 still available?
MS35751-19 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