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Technical Data Sheet
PartsTable / COMPONENT / 9408997
9408997 ✓ 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: UNDERCUT HEXAGON, head_height: 0.438 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.594 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, fastener_length: 1.670 INCHES MINIMUM AND 1.750 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 5306-00-021-4259, 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
9408997
NSN: 5306-00-021-4259
FSC: 5306
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleUNDERCUT HEXAGON
head_height0.438 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN
thread_class2A A
thread_length1.594 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
fastener_length1.670 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
hardness_rating25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
locking_featureDISTORTIONS BEARING SURFACE OF HEAD
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OR ZINC OVERALL
width_between_flats0.985 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
NSN5306-00-021-4259
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9408997 · 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
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OR ZINC OVERALL
•
SPECIFICATION/STANDARD DATA: 81349-MIL-B-45912 GOVERNMENT SPECIFICATION AND 96906-MS35764 REV D/INACTIVE/ GOVERNMENT STANDARD
•
THREAD DIRECTION: RIGHT-HAND
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY OPTIONAL ZINC COATED SURF. TREAT.
•
THREAD SERIES DESIGNATOR: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A449,GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR SAE J429,GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR GM 300-M MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
LOCKING FEATURE: DISTORTIONS BEARING SURFACE OF HEAD
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC OVERALL
SPECIFICATION/STANDARD DATA81349-MIL-B-45912 GOVERNMENT SPECIFICATION AND 96906-MS35764 REV D/INACTIVE/ GOVERNMENT STANDARD
THREAD DIRECTIONRIGHT-HAND
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY OPTIONAL ZINC COATED SURF. TREAT.
THREAD SERIES DESIGNATORUNF
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A449,GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR SAE J429,GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR GM 300-M MFR REF SINGLE MATERIAL RESPONSE OVERALL
LOCKING FEATUREDISTORTIONS BEARING SURFACE OF HEAD
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
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 9408997?
9408997 is a BOLT,MACHINE.
What parts can replace 9408997?
There are 18 known substitutes for 9408997: MS35764-1017, MILB45912, MS35763-1017 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9408997?
9408997 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-021-4259. 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