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D25303 ✓ 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 DIE,THREAD CUTTING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.750 INCHES NOMINAL IN, style_designator: SOLID SQUARE, thread_direction: RIGHT-HAND, width_across_flats: 2.500 INCHES NOMINAL IN, thread_size_and_series/type_designator: 0.250-18 NPT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-189-3166, 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
D25303
NSN: 5136-00-189-3166
FSC: 5136
CAGE: 8T040 — HOUSTON CUTTING TOOLS, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.750 INCHES NOMINAL IN
style_designatorSOLID SQUARE
thread_directionRIGHT-HAND
width_across_flats2.500 INCHES NOMINAL IN
thread_size_and_series/type_designator0.250-18 NPT
NSN5136-00-189-3166
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DIE,THREAD CUTTING TITLE COMPONENT PN D25303 MFR DIE,THREAD CUTTING
KEY FEATURES
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.250-18 NPT
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: SOLID SQUARE
•
WIDTH ACROSS FLATS: 2.500 INCHES NOMINAL IN
•
THICKNESS: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-18 NPT
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
STYLE DESIGNATORSOLID SQUARE
WIDTH ACROSS FLATS2.500 INCHES NOMINAL IN
WIDTH ACROSS FLATS2.500 INCHES NOMINAL IN
THICKNESS0.750 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-18 NPT
MATERIALSTEEL OVERALL
THICKNESS0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
GGG-T-581Interchangeable
interchangeable cross-reference
interchangeable
0SP1/8Interchangeable
interchangeable cross-reference
interchangeable
05400Interchangeable
interchangeable cross-reference
interchangeable
1SP3/8Interchangeable
interchangeable cross-reference
interchangeable
D25306Interchangeable
interchangeable cross-reference
interchangeable
05464Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D25303?
D25303 is a DIE,THREAD CUTTING.
What parts can replace D25303?
There are 24 known substitutes for D25303: GGG-T-581, 0SP1/8, 05400 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D25303?
D25303 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-189-3166. 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