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14FRU ✓ 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 material: STEEL OVERALL, thread_length: 2.500 INCHES NOMINAL IN, overall_length: 5.125 INCHES NOMINAL IN, special_features: ROUGHING TAP FOR SCREW THREAD INSERT, style_designator: STRAIGHT FLUTE, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-370-4067, 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
14FRU
NSN: 5136-00-370-4067
FSC: 5136
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_length2.500 INCHES NOMINAL IN
flute_quantity4
overall_length5.125 INCHES NOMINAL IN
special_featuresROUGHING TAP FOR SCREW THREAD INSERT
style_designatorSTRAIGHT FLUTE
thread_directionRIGHT-HAND
thread_structureREGULAR
width_across_flats0.600 INCHES NOMINAL IN
starting_chamfer_typePLUG
thread_forming_methodGROUND
thread_pitch_diameters+0.8970 TO 0.8980 INCHES IN
NSN5136-00-370-4067
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TANG BREAKOFF TOOL,SCREW THREAD TITLE COMPONENT PN 14FRU MFR TANG BREAKOFF TOOL,SCR
KEY FEATURES
•
THREAD PITCH DIAMETERS: +0.8970 TO 0.8980 INCHES IN
•
THREAD STRUCTURE: REGULAR
•
STARTING CHAMFER TYPE: PLUG
•
FLUTE QUANTITY: 4
•
THREAD FORMING METHOD: GROUND
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.875-14 STI
•
WIDTH ACROSS FLATS: 0.600 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD PITCH DIAMETERS+0.8970 TO 0.8980 INCHES IN
THREAD STRUCTUREREGULAR
OVERALL LENGTH5.125 INCHES NOMINAL IN
STARTING CHAMFER TYPEPLUG
FLUTE QUANTITY4
THREAD FORMING METHODGROUND
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.875-14 STI
WIDTH ACROSS FLATS0.600 INCHES NOMINAL IN
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THREAD PITCH DIAMETERS
SPECIAL FEATURESROUGHING TAP FOR SCREW THREAD INSERT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
4CRUInterchangeable
interchangeable cross-reference
interchangeable
MIL-T-21309 TY1CL2Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-21309Interchangeable
interchangeable cross-reference
interchangeable
4FRUInterchangeable
interchangeable cross-reference
interchangeable
5FRUInterchangeable
interchangeable cross-reference
interchangeable
6CRUInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 14FRU?
14FRU is a TANG BREAKOFF TOOL,SCREW THREAD.
What parts can replace 14FRU?
There are 15 known substitutes for 14FRU: 4CRU, MIL-T-21309 TY1CL2, MIL-T-21309 and 12 more. Substitute compatibility should be verified for your specific system.
Is 14FRU still available?
14FRU is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026