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PartsTable / COMPONENT / C54443
C54443 ✓ 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 TAP,THREAD CUTTING is a the manufacturer industrial component. Key specifications include length: 0.312 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, thread_length: 1.130 INCHES MINIMUM IN, overall_length: 2.500 INCHES NOMINAL IN, shank_diameter: 0.318 INCHES MINIMUM IN, style_designator: STRAIGHT FLUTE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-203-6647, 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
C54443
NSN: 5136-00-203-6647
FSC: 5136
CAGE: 60NQ9 — GREENFIELD INDUSTRIES INC (USA)
SPECIFICATIONS
length0.312 INCHES NOMINAL SQUARE END IN
materialSTEEL OVERALL
thread_length1.130 INCHES MINIMUM IN
flute_quantity4
overall_length2.500 INCHES NOMINAL IN
shank_diameter0.318 INCHES MINIMUM IN
style_designatorSTRAIGHT FLUTE
thread_directionRIGHT-HAND
thread_structureREGULAR
width_across_flats0.191 INCHES NOMINAL IN
starting_chamfer_typeTAPER
thread_forming_methodGROUND
NSN5136-00-203-6647
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TAP,THREAD CUTTING TITLE COMPONENT PN C54443 MFR TAP,THREAD CUTTING
KEY FEATURES
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.250-20 UNIFIED NATIONAL COARSE (UNC)
•
THREAD PITCH DIAMETERS: +0.2175 TO 0.2180 INCHES IN
•
THREAD LENGTH: 1.130 INCHES MINIMUM IN
•
FLUTE QUANTITY: 4
•
THREAD STRUCTURE: REGULAR
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-20 UNIFIED NATIONAL COARSE (UNC)
THREAD PITCH DIAMETERS+0.2175 TO 0.2180 INCHES IN
THREAD LENGTH1.130 INCHES MINIMUM IN
OVERALL LENGTH2.500 INCHES NOMINAL IN
FLUTE QUANTITY4
THREAD STRUCTUREREGULAR
OVERALL LENGTH2.500 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-20 UNIFIED NATIONAL COARSE (UNC)
STARTING CHAMFER TYPETAPER
THREAD FORMING METHODGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
963-15780-00Interchangeable
interchangeable cross-reference
interchangeable
11810Interchangeable
interchangeable cross-reference
interchangeable
4277-308Interchangeable
interchangeable cross-reference
interchangeable
MS35430-5Interchangeable
interchangeable cross-reference
interchangeable
999-8Interchangeable
interchangeable cross-reference
interchangeable
1561-1375Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C54443?
C54443 is a TAP,THREAD CUTTING.
What parts can replace C54443?
There are 21 known substitutes for C54443: 963-15780-00, 11810, 4277-308 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C54443?
C54443 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-203-6647. 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