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C54489 — TAP,THREAD CUTTING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

C54489: TAP,THREAD CUTTING.

The TAP,THREAD CUTTING is a the manufacturer industrial component. Key specifications include length: 0.3750 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, thread_length: 1.125 INCHES NOMINAL IN, overall_length: 2.718 INCHES NOMINAL IN, shank_diameter: 0.318 INCHES NOMINAL IN, special_features: D5 THREAD PITCH LIMIT. This part is cataloged in the U.S.

Government catalog under NSN 5136-01-642-0386, 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
C54489
NSN: 5136-01-642-0386
FSC: 5136 — Taps, Dies, and Collets; Hand and Machine
CAGE: 60NQ9 — GREENFIELD INDUSTRIES INC (USA)
SPECIFICATIONS
length0.3750 INCHES NOMINAL SQUARE END IN
materialSTEEL OVERALL
thread_length1.125 INCHES NOMINAL IN
flute_quantity4
overall_length2.718 INCHES NOMINAL IN
shank_diameter0.318 INCHES NOMINAL IN
special_featuresD5 THREAD PITCH LIMIT
style_designatorSTRAIGHT FLUTE
thread_directionRIGHT-HAND
width_across_flats0.238 INCHES NOMINAL IN
starting_chamfer_typeTAPER
thread_pitch_in_millimeters1.00
NSN5136-01-642-0386
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TAP,THREAD CUTTING TITLE COMPONENT PN C54489 MFR TAP,THREAD CUTTING
KEY FEATURES
•
SHANK DIAMETER: 0.318 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.238 INCHES NOMINAL IN
•
LENGTH: 0.3750 INCHES NOMINAL SQUARE END IN
•
THREAD PITCH IN MILLIMETERS: 1.00
•
THREAD LENGTH: 1.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT FLUTE
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.318 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.238 INCHES NOMINAL IN
LENGTH0.3750 INCHES NOMINAL SQUARE END IN
THREAD PITCH IN MILLIMETERS1.00
THREAD LENGTH1.125 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT FLUTE
OVERALL LENGTH2.718 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
FLUTE QUANTITY4
SPECIAL FEATURESD5 THREAD PITCH LIMIT
OTHER ITEMS IN FSC 5136 — Taps, Dies, and Collets; Hand and Machine
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5136-00-003-6437 5136-00-004-6689 5136-00-005-5655 5136-00-006-4548 5136-00-006-4562 5136-00-007-1482 5136-00-007-9016 5136-00-008-3607
SUBSTITUTES & CROSS-REFERENCES 1
8305A18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C54489?
C54489 is a TAP,THREAD CUTTING.
What parts can replace C54489?
There is 1 known substitute for C54489: 8305A18. Substitute compatibility should be verified for your specific system.
What is the NSN for C54489?
C54489 is cataloged in the U.S. Government catalog under NSN 5136-01-642-0386. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.