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PartsTable / COMPONENT / MIL-T-21309 TY1CL2
MIL-T-21309 TY1CL2 ✓ 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 TOOL KIT,SCREW THREAD INSERT is a the manufacturer industrial component. Key specifications include length: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM SQUARE END IN, material: STEEL OVERALL, thread_length: 2.125 INCHES MINIMUM AND 2.313 INCHES MAXIMUM IN, overall_length: 5.130 INCHES NOMINAL IN, shank_diameter: 0.800 INCHES MAXIMUM IN, special_features: ROUGHING 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 5136-00-104-4147, 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
MIL-T-21309 TY1CL2
NSN: 5136-00-104-4147
FSC: 5136
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
length0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM SQUARE END IN
materialSTEEL OVERALL
thread_length2.125 INCHES MINIMUM AND 2.313 INCHES MAXIMUM IN
flute_quantity4
overall_length5.130 INCHES NOMINAL IN
shank_diameter0.800 INCHES MAXIMUM IN
special_featuresROUGHING TAP FOR SCREW THREAD INSERT
style_designatorSTRAIGHT FLUTE
thread_directionRIGHT-HAND
thread_structureREGULAR
width_across_flats5.750 INCHES NOMINAL IN
starting_chamfer_typePLUG
NSN5136-00-104-4147
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TOOL KIT,SCREW THREAD INSERT TITLE COMPONENT PN MIL-T-21309 TY1CL2 MFR TOOL KIT,SCREW THREAD
KEY FEATURES
•
THREAD PITCH DIAMETERS: +0.2830 TO 0.2835 INCHES IN
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.250-20 STI
•
THREAD STRUCTURE: REGULAR
•
LENGTH: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM SQUARE END IN
•
STYLE DESIGNATOR: SPIRAL POINTED FLUTE
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2 CLASS
•
STARTING CHAMFER TYPE: PLUG
•
WIDTH ACROSS FLATS: 0.234 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD PITCH DIAMETERS+0.2830 TO 0.2835 INCHES IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-20 STI
THREAD STRUCTUREREGULAR
LENGTH0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM SQUARE END IN
STYLE DESIGNATORSPIRAL POINTED FLUTE
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 CLASS
STARTING CHAMFER TYPEPLUG
WIDTH ACROSS FLATS0.234 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SHANK DIAMETER0.3165 INCHES MINIMUM AND 0.3180 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
4FRUInterchangeable
interchangeable cross-reference
interchangeable
MIL-T-21309Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-21309 TY1CL2Interchangeable
interchangeable cross-reference
interchangeable
5FRUInterchangeable
interchangeable cross-reference
interchangeable
6CRUInterchangeable
interchangeable cross-reference
interchangeable
41T1368-1895Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-T-21309 TY1CL2?
MIL-T-21309 TY1CL2 is a TOOL KIT,SCREW THREAD INSERT.
What parts can replace MIL-T-21309 TY1CL2?
There are 16 known substitutes for MIL-T-21309 TY1CL2: 4FRU, MIL-T-21309, MIL-T-21309 TY1CL2 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-T-21309 TY1CL2?
MIL-T-21309 TY1CL2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-104-4147. 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