Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW
The SCREW,ADJUSTING is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-393-4504, 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
3N179PC21
NSN:5305-00-393-4504 FSC:5305 CAGE:54370 — ALFA LAVAL INC. (USA)
SPECIFICATIONS
general_characteristics_item_description
BRONZE MIL-B-994; 0.188 IN. LG O/A; WITH HEX HEAD 0.438 IN. ACROSS FLATS 0.125 IN. H OF HEAD; THREADED 0.375-24 UNF 3A; 0.219 IN. ID 1.062 IN. DEEP IN THREADED END A
NSN
5305-00-393-4504
COMPONENT DIAGRAM
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRONZE MIL-B-994; 0.188 IN. LG O/A; WITH HEX HEAD 0.438 IN. ACROSS FLATS 0.125 IN. H OF HEAD; THREADED 0.375-24 UNF 3A; 0.219 IN. ID 1.062 IN. DEEP IN THREADED END A
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION
BRONZE MIL-B-994; 0.188 IN. LG O/A; WITH HEX HEAD 0.438 IN. ACROSS FLATS 0.125 IN. H OF HEAD; THREADED 0.375-24 UNF 3A; 0.219 IN. ID 1.062 IN. DEEP IN THREADED END A
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FREQUENTLY ASKED QUESTIONS
What is 3N179PC21?
3N179PC21 is a SCREW,ADJUSTING.
What parts can replace 3N179PC21?
There are 22 known substitutes for 3N179PC21: 1152-2, 313, 6S6/G-115V and 19 more. Substitute compatibility should be verified for your specific system.
Is 3N179PC21 still available?
3N179PC21 is currently cancelled.
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