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Technical Data Sheet
PartsTable / COMPONENT / 643S5E
643S5E ✓ 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 STUD,COLLAR 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 5307-00-036-5655, 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
643S5E
NSN: 5307-00-036-5655
FSC: 5307
CAGE: 82005 — ALLARD NAZARIAN GROUP, INC. DBA GRANITE STATE MANUFACTURING (USA)
SPECIFICATIONS
Part Number643S5E
NSN5307-00-036-5655
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 643S5E · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
543BPC5EInterchangeable
Same NIIN cross-reference
interchangeable
SN3560PC9220Interchangeable
Same NIIN cross-reference
interchangeable
NP4016PC5EInterchangeable
Same NIIN cross-reference
interchangeable
JS533-5EInterchangeable
Same NIIN cross-reference
interchangeable
NP4140PC32Interchangeable
Same NIIN cross-reference
interchangeable
5E538Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 643S5E?
643S5E is a STUD,COLLAR.
What parts can replace 643S5E?
There are 9 known substitutes for 643S5E: 543BPC5E, SN3560PC9220, NP4016PC5E and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 643S5E?
643S5E is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-036-5655. 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