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Technical Data Sheet
PartsTable / COMPONENT / 2CPA
2CPA ✓ 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

TANG BREAKOFF TOOL,SCREW THREAD. Key specifications include length: 0.281 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, thread_length: 0.938 INCHES NOMINAL IN, overall_length: 2.375 INCHES NOMINAL IN, shank_diameter: 0.220 INCHES MAXIMUM IN, special_features: FINISHING TAP FOR SCREW THREAD INSERT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-134-7744, 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
2CPA
NSN: 5136-00-134-7744
FSC: 5136
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
length0.281 INCHES NOMINAL SQUARE END IN
materialSTEEL OVERALL
thread_length0.938 INCHES NOMINAL IN
flute_quantity3
overall_length2.375 INCHES NOMINAL IN
shank_diameter0.220 INCHES MAXIMUM IN
special_featuresFINISHING TAP FOR SCREW THREAD INSERT
style_designatorSTRAIGHT FLUTE
thread_structureREGULAR
width_across_flats0.165 INCHES NOMINAL IN
starting_chamfer_typePLUG
thread_pitch_diameters+0.1853 TO 0.1858 INCHES IN
NSN5136-00-134-7744
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TANG BREAKOFF TOOL,SCREW THREAD TITLE COMPONENT PN 2CPA MFR TANG BREAKOFF TOOL,SCR
KEY FEATURES
•
THREAD PITCH DIAMETERS: +0.1853 TO 0.1858 INCHES IN
•
THREAD LENGTH: 0.938 INCHES NOMINAL IN
•
LENGTH: 0.281 INCHES NOMINAL SQUARE END IN
•
STYLE DESIGNATOR: STRAIGHT FLUTE
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY THREAD PITCH DIAMETERS
•
MATERIAL: STEEL OVERALL
•
WIDTH ACROSS FLATS: 0.165 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD PITCH DIAMETERS+0.1853 TO 0.1858 INCHES IN
THREAD LENGTH0.938 INCHES NOMINAL IN
LENGTH0.281 INCHES NOMINAL SQUARE END IN
STYLE DESIGNATORSTRAIGHT FLUTE
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THREAD PITCH DIAMETERS
SPECIAL FEATURESFINISHING TAP FOR SCREW THREAD INSERT
MATERIALSTEEL OVERALL
WIDTH ACROSS FLATS0.165 INCHES NOMINAL IN
FLUTE QUANTITY3
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.164-32 STI
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
A-A-59158 TY1CL1Interchangeable
Same NIIN cross-reference
interchangeable
A-A-59158Interchangeable
Same NIIN cross-reference
interchangeable
MIL-T-21309Interchangeable
Same NIIN cross-reference
interchangeable
MIL-T-21309 TY1CL1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2CPA?
2CPA is a TANG BREAKOFF TOOL,SCREW THREAD.
What parts can replace 2CPA?
There are 4 known substitutes for 2CPA: A-A-59158 TY1CL1, A-A-59158, MIL-T-21309 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2CPA?
2CPA is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-134-7744. 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