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Technical Data Sheet
PartsTable / COMPONENT / B94.9 1/4-20 UNC
B94.9 1/4-20 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 B94.9 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
B94.9 1/4-20 UNC
NSN: 5136-00-528-2293
FSC: 5136
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
Part NumberB94.9 1/4-20 UNC
NSN5136-00-528-2293
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available B94.9 1/4-20 UNC TITLE COMPONENT PN B94.9 1/4-20 UNC MFR B94.9 1/4-20 UNC
KEY FEATURES
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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
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STYLE DESIGNATOR: STRAIGHT FLUTE
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SPECIFICATION/STANDARD DATA: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
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LENGTH: 0.312 INCHES NOMINAL SQUARE END IN
•
FLUTE QUANTITY: 4
TECHNICAL CHARACTERISTICS (FLIS)
THREAD FORMING METHODCUT
OVERALL LENGTH2.500 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-20 UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.191 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT FLUTE
SPECIFICATION/STANDARD DATA05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
LENGTH0.312 INCHES NOMINAL SQUARE END IN
FLUTE QUANTITY4
MATERIALSTEEL OVERALL
THREAD STRUCTUREREGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
1-7-15-1Interchangeable
interchangeable cross-reference
interchangeable
R17151Interchangeable
interchangeable cross-reference
interchangeable
GGG-T-60 TY1SEAST3Interchangeable
interchangeable cross-reference
interchangeable
GGG-T-60Interchangeable
interchangeable cross-reference
interchangeable
303Interchangeable
interchangeable cross-reference
interchangeable
41977-41Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B94.9 1/4-20 UNC?
B94.9 1/4-20 UNC is a B94.9 1/4-20 UNC.
What parts can replace B94.9 1/4-20 UNC?
There are 24 known substitutes for B94.9 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 B94.9 1/4-20 UNC still available?
B94.9 1/4-20 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