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PartsTable / COMPONENT / 305 5/16-18 UNC
305 5/16-18 UNC ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The 305 5/16-18 UNC is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-199-6747, 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
305 5/16-18 UNC
NSN: 5136-00-199-6747
FSC: 5136
CAGE: 1NEX4 — KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP (USA)
SPECIFICATIONS
Part Number305 5/16-18 UNC
NSN5136-00-199-6747
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 305 5/16-18 UNC TITLE COMPONENT PN 305 5/16-18 UNC MFR 305 5/16-18 UNC
KEY FEATURES
•
STYLE DESIGNATOR: STRAIGHT FLUTE
•
WIDTH ACROSS FLATS: 0.238 INCHES NOMINAL IN
•
FLUTE QUANTITY: 4
•
SHANK DIAMETER: 0.318 INCHES NOMINAL IN
•
STARTING CHAMFER TYPE: PLUG
•
LENGTH: 0.375 INCHES NOMINAL SQUARE END IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT FLUTE
WIDTH ACROSS FLATS0.238 INCHES NOMINAL IN
FLUTE QUANTITY4
SHANK DIAMETER0.318 INCHES NOMINAL IN
OVERALL LENGTH2.719 INCHES NOMINAL IN
STARTING CHAMFER TYPEPLUG
WIDTH ACROSS FLATS0.238 INCHES NOMINAL IN
LENGTH0.375 INCHES NOMINAL SQUARE END IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.312-18 UNIFIED NATIONAL COARSE (UNC)
STYLE DESIGNATORSTRAIGHT FLUTE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
T101WInterchangeable
interchangeable cross-reference
interchangeable
615515R91Interchangeable
interchangeable cross-reference
interchangeable
J0262Interchangeable
interchangeable cross-reference
interchangeable
97152Interchangeable
interchangeable cross-reference
interchangeable
T101Interchangeable
interchangeable cross-reference
interchangeable
GGG-T-60 TY1SEAST2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 305 5/16-18 UNC?
305 5/16-18 UNC is a 305 5/16-18 UNC.
What parts can replace 305 5/16-18 UNC?
There are 23 known substitutes for 305 5/16-18 UNC: T101W, 615515R91, J0262 and 20 more. Substitute compatibility should be verified for your specific system.
Is 305 5/16-18 UNC still available?
305 5/16-18 UNC is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026