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Technical Data Sheet
PartsTable / COMPONENT / 40402-4 FIND NO.6
40402-4 FIND NO.6 ✓ 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 40402-4 FIND NO.6 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-564-5812, 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
40402-4 FIND NO.6
NSN: 5305-01-564-5812
FSC: 5305
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
Part Number40402-4 FIND NO.6
NSN5305-01-564-5812
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 40402-4 FIND NO.6 · 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 DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: STEEL COMP 304 OVERALL
•
FASTENER LENGTH: 1.500 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 18
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL COMP 304 OVERALL
FASTENER LENGTH1.500 INCHES NOMINAL IN
THREAD QUANTITY PER INCH18
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT-HEX HEAD 5/16 INCHES IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
14-438Interchangeable
interchangeable cross-reference
interchangeable
5365-182-4862Interchangeable
interchangeable cross-reference
interchangeable
3953Interchangeable
interchangeable cross-reference
interchangeable
577R585H04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40402-4 FIND NO.6?
40402-4 FIND NO.6 is a 40402-4 FIND NO.6.
What parts can replace 40402-4 FIND NO.6?
There are 4 known substitutes for 40402-4 FIND NO.6: 14-438, 5365-182-4862, 3953 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40402-4 FIND NO.6?
40402-4 FIND NO.6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-564-5812. 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