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Technical Data Sheet
PartsTable / COMPONENT / 9FRU
9FRU ✓ 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: 0.562 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, thread_length: 1.812 INCHES NOMINAL IN, overall_length: 3.812 INCHES NOMINAL IN, shank_diameter: 0.480 INCHES MAXIMUM IN, special_features: ROUGHING TAP FOR SCREW THREAD INSERT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-370-4064, 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
9FRU
NSN: 5136-00-370-4064
FSC: 5136
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
length0.562 INCHES NOMINAL SQUARE END IN
materialSTEEL OVERALL
thread_length1.812 INCHES NOMINAL IN
flute_quantity4
overall_length3.812 INCHES NOMINAL IN
shank_diameter0.480 INCHES MAXIMUM IN
special_featuresROUGHING TAP FOR SCREW THREAD INSERT
style_designatorSTRAIGHT FLUTE
thread_directionRIGHT-HAND
thread_structureREGULAR
width_across_flats0.360 INCHES NOMINAL IN
starting_chamfer_typePLUG
NSN5136-00-370-4064
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TANG BREAKOFF TOOL,SCREW THREAD TITLE COMPONENT PN 9FRU MFR TANG BREAKOFF TOOL,SCR
KEY FEATURES
•
THREAD LENGTH: 1.812 INCHES NOMINAL IN
•
SHANK DIAMETER: 0.480 INCHES MAXIMUM IN
•
THREAD PITCH DIAMETERS: +0.5790 TO 0.5800 INCHES IN
•
STARTING CHAMFER TYPE: PLUG
•
LENGTH: 0.562 INCHES NOMINAL SQUARE END IN
•
WIDTH ACROSS FLATS: 0.360 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT FLUTE
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH1.812 INCHES NOMINAL IN
SHANK DIAMETER0.480 INCHES MAXIMUM IN
THREAD PITCH DIAMETERS+0.5790 TO 0.5800 INCHES IN
OVERALL LENGTH3.812 INCHES NOMINAL IN
STARTING CHAMFER TYPEPLUG
LENGTH0.562 INCHES NOMINAL SQUARE END IN
WIDTH ACROSS FLATS0.360 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT FLUTE
THREAD FORMING METHODGROUND
MATERIALSTEEL OVERALL
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 9FRU?
9FRU is a TANG BREAKOFF TOOL,SCREW THREAD.
What parts can replace 9FRU?
There are 15 known substitutes for 9FRU: 4CRU, MIL-T-21309 TY1CL2, MIL-T-21309 and 12 more. Substitute compatibility should be verified for your specific system.
Is 9FRU still available?
9FRU 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