Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW
The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include end_item_identification: T-53 SERIES ENGINE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-977-1052, 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
75243
NSN:5305-00-977-1052 FSC:5305 CAGE:11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)