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 5305-01-642-3063, 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
803-5001003 ITEM 156L1
NSN:5305-01-642-3063 FSC:5305 CAGE:03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
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FREQUENTLY ASKED QUESTIONS
What is 803-5001003 ITEM 156L1?
803-5001003 ITEM 156L1 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 803-5001003 ITEM 156L1?
There are 24 known substitutes for 803-5001003 ITEM 156L1: MIL-DTL-1222 TYII GR500 QQ-N-2L1, MIL-DTL-1222 TYII GR500L1, MIL-DTL-1222 TYII GR500 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-5001003 ITEM 156L1?
803-5001003 ITEM 156L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-642-3063. This indicates validated use in U.S. government and defense supply chains.
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