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Technical Data Sheet
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313-721 — Technical Data Sheet

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— · 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 COUPLER,T M12,AIRCR is a the manufacturer industrial component. Key specifications include diameter: 0.093 INCHES NOMINAL IN, lead_size: THIN, body_style: BUSHING MOUNTED, body_length: 0.490 INCHES MAXIMUM IN, body_diameter: 1.000 INCHES NOMINAL IN, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE WINDING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4920-01-572-6598, 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
313-721
NSN: 4920-01-572-6598
FSC: 4920
CAGE: 74QK6 — AJAX TOCCO MAGNETHERMIC CORPORATION DBA PINES ENGINEERING DIV PINES ENGINEERING (USA)
SPECIFICATIONS
diameter0.093 INCHES NOMINAL IN
lead_sizeTHIN
body_styleBUSHING MOUNTED
body_length0.490 INCHES MAXIMUM IN
body_diameter1.000 INCHES NOMINAL IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity125 SINGLE COMPONENT SINGLE WINDING
actuator_styleROUND, FLUSH
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
overall_length0.375 INCHES NOMINAL IN
mounting_methodTAB SINGLE GROUP
NSN4920-01-572-6598
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,T M12,AIRCR TITLE COMPONENT PN 313-721 MFR COUPLER,T M12,AIRCR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
13881InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SS-P-166 TY4NR1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SS-P-166InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
66092-819InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SM-C-502641-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
666092-819InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 313-721?
313-721 is a COUPLER,T M12,AIRCR.
What parts can replace 313-721?
There are 7 known substitutes for 313-721: 13881, SS-P-166 TY4NR1, SS-P-166 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 313-721?
313-721 is cataloged in the Federal Logistics Information System under NSN 4920-01-572-6598. 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: September 2026