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PartsTable / COMPONENT / B18.3
B18.3 ✓ 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 B18.3 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-063-3848, 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
B18.3
NSN: 5120-00-063-3848
FSC: 5120
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
Part NumberB18.3
NSN5120-00-063-3848
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available B18.3 TITLE COMPONENT PN B18.3 MFR B18.3
KEY FEATURES
•
WRENCHING SURFACE FLUTE QUANTITY: 6
•
SPECIFICATION/STANDARD DATA: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
STYLE DESIGNATOR: L-HANDLE
•
WRENCHING SURFACE SIZE: 0.111 INCHES NOMINAL BOTH ENDS IN
•
MATERIAL: STEEL OVERALL
•
WRENCHING SURFACE SHAPE: SPLINE BOTH ENDS EXTERNAL
•
SHORT ARM LENGTH: 0.650 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
WRENCHING SURFACE FLUTE QUANTITY6
SPECIFICATION/STANDARD DATA05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORL-HANDLE
WRENCHING SURFACE SIZE0.111 INCHES NOMINAL BOTH ENDS IN
MATERIALSTEEL OVERALL
WRENCHING SURFACE SHAPESPLINE BOTH ENDS EXTERNAL
SHORT ARM LENGTH0.650 INCHES NOMINAL IN
OVERALL LENGTH3.360 INCHES MINIMUM AND 3.549 INCHES MAXIMUM IN
LONG ARM LENGTH3.250 INCHES MINIMUM AND 3.438 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
GGG-K-275Interchangeable
interchangeable cross-reference
interchangeable
GGG-K-275 TY2CL2Interchangeable
interchangeable cross-reference
interchangeable
9900200Interchangeable
interchangeable cross-reference
interchangeable
S-145-LInterchangeable
interchangeable cross-reference
interchangeable
B18.3Interchangeable
interchangeable cross-reference
interchangeable
S-145-6LInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B18.3?
B18.3 is a B18.3.
What parts can replace B18.3?
There are 19 known substitutes for B18.3: GGG-K-275, GGG-K-275 TY2CL2, 9900200 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B18.3?
B18.3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-063-3848. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026