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PRODUCT OVERVIEW
The 303 1/4-20 UNC is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-528-2293, 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
303 1/4-20 UNC
NSN:5136-00-528-2293 FSC:5136 CAGE:1NEX4 — KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP (USA)
SPECIFICATIONS
Part Number
303 1/4-20 UNC
NSN
5136-00-528-2293
COMPONENT DIAGRAM
KEY FEATURES
•
THREAD FORMING METHOD: CUT
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.250-20 UNIFIED NATIONAL COARSE (UNC)
•
WIDTH ACROSS FLATS: 0.191 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT FLUTE
•
SPECIFICATION/STANDARD DATA: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
LENGTH: 0.312 INCHES NOMINAL SQUARE END IN
•
FLUTE QUANTITY: 4
TECHNICAL CHARACTERISTICS (FLIS)
THREAD FORMING METHOD
CUT
OVERALL LENGTH
2.500 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR
0.250-20 UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS
0.191 INCHES NOMINAL IN
STYLE DESIGNATOR
STRAIGHT FLUTE
SPECIFICATION/STANDARD DATA
05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
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FREQUENTLY ASKED QUESTIONS
What is 303 1/4-20 UNC?
303 1/4-20 UNC is a 303 1/4-20 UNC.
What parts can replace 303 1/4-20 UNC?
There are 24 known substitutes for 303 1/4-20 UNC: 1-7-15-1, R17151, GGG-T-60 TY1SEAST3 and 21 more. Substitute compatibility should be verified for your specific system.
Is 303 1/4-20 UNC still available?
303 1/4-20 UNC is currently cancelled.
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