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Technical Data Sheet
PartsTable / COMPONENT / 10FRU
10FRU ✓ 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: 0.625 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, thread_length: 1.812 INCHES NOMINAL IN, overall_length: 4.031 INCHES NOMINAL IN, shank_diameter: 0.542 INCHES MAXIMUM IN, special_features: ROUGHING TAP FOR SCREW THREAD INSERT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-370-4065, 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
10FRU
NSN: 5136-00-370-4065
FSC: 5136
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
length0.625 INCHES NOMINAL SQUARE END IN
materialSTEEL OVERALL
thread_length1.812 INCHES NOMINAL IN
flute_quantity4
overall_length4.031 INCHES NOMINAL IN
shank_diameter0.542 INCHES MAXIMUM IN
special_featuresROUGHING TAP FOR SCREW THREAD INSERT
style_designatorSTRAIGHT FLUTE
thread_directionRIGHT-HAND
thread_structureREGULAR
width_across_flats0.406 INCHES NOMINAL IN
starting_chamfer_typePLUG
NSN5136-00-370-4065
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TANG BREAKOFF TOOL,SCREW THREAD TITLE COMPONENT PN 10FRU MFR TANG BREAKOFF TOOL,SCR
KEY FEATURES
•
THREAD PITCH DIAMETERS: +0.6420 TO 0.6430 INCHES IN
•
MATERIAL: STEEL OVERALL
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.625-18 STI
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY THREAD PITCH DIAMETERS
•
WIDTH ACROSS FLATS: 0.406 INCHES NOMINAL IN
•
THREAD STRUCTURE: REGULAR
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2 CLASS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD PITCH DIAMETERS+0.6420 TO 0.6430 INCHES IN
MATERIALSTEEL OVERALL
OVERALL LENGTH4.031 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.625-18 STI
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THREAD PITCH DIAMETERS
WIDTH ACROSS FLATS0.406 INCHES NOMINAL IN
THREAD STRUCTUREREGULAR
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 CLASS
LENGTH0.625 INCHES NOMINAL SQUARE END IN
STARTING CHAMFER TYPEPLUG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
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 10FRU?
10FRU is a TANG BREAKOFF TOOL,SCREW THREAD.
What parts can replace 10FRU?
There are 16 known substitutes for 10FRU: 4CRU, MIL-T-21309 TY1CL2, MIL-T-21309 and 13 more. Substitute compatibility should be verified for your specific system.
Is 10FRU still available?
10FRU 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