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PartsTable / COMPONENT / MS35763-1021
MS35763-1021 ✓ 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: DISHED HEXAGON, head_height: 0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.094 INCHES MINIMUM IN, fastener_length: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-022-1940, 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
MS35763-1021
NSN: 5306-00-022-1940
FSC: 5306
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDISHED HEXAGON
head_height0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
thread_class3A A
thread_length1.094 INCHES MINIMUM IN
fastener_length1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
locking_featureDISTORTIONS BEARING SURFACE OF HEAD
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
NSN5306-00-022-1940
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS35763-1021 · 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: HEXAGON
•
MINIMUM TENSILE STRENGTH: 95000 POUNDS PER SQUARE INCH LBS
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HARDNESS RATING: 96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL
•
MATERIAL: STEEL COMP 1035 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
WIDTH BETWEEN FLATS: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
HEAD STYLEHEXAGON
MINIMUM TENSILE STRENGTH95000 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD DIAMETER0.312 INCHES IN
HARDNESS RATING96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL
MATERIALSTEEL COMP 1035 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MS35764-1017Upgraded Successor
successor cross-reference
successor
MILB45912Upgraded Successor
successor cross-reference
successor
MS35763-1017Upgraded Successor
successor cross-reference
successor
MS35764-1048Upgraded Successor
successor cross-reference
successor
5306008165991Upgraded Successor
successor cross-reference
successor
MS35763-1048Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35763-1021?
MS35763-1021 is a BOLT,MACHINE.
What parts can replace MS35763-1021?
There are 12 known substitutes for MS35763-1021: MS35764-1017, MILB45912, MS35763-1017 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS35763-1021?
MS35763-1021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-022-1940. 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