Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW
The SCREW,CAP,SOCKET HEAD 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 5305-01-501-9381, 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
H643-7101-11
NSN:5305-01-501-9381 FSC:5305 CAGE:96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
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FREQUENTLY ASKED QUESTIONS
What is H643-7101-11?
H643-7101-11 is a SCREW,CAP,SOCKET HEAD.
What parts can replace H643-7101-11?
There are 12 known substitutes for H643-7101-11: FFS86TYPE4, 700774PC1, 43-S-44595-3270 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H643-7101-11?
H643-7101-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-501-9381. This indicates validated use in U.S. government and defense supply chains.
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