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Technical Data Sheet
PartsTable / COMPONENT / MT-2621/A1C
MT-2621/A1C ✓ 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 MT-2621/A1C is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-858-5398, 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
MT-2621/A1C
NSN: 5965-00-858-5398
FSC: 5965
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
Part NumberMT-2621/A1C
NSN5965-00-858-5398
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MT-2621/A1C TITLE COMPONENT PN MT-2621/A1C MFR MT-2621/A1C
KEY FEATURES
•
FSC APPLICATION DATA: HEADSETS,HANDSETS,MICROPHONES AND SPEAKERS
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STAINLESS STEEL; SUPPORTS AND MOUNTS SHELL,EARPHONE MX-3678/AIC INTO HELMET,FLYING HGU-2/P: ARM OF BRACKET IS SPRING LOADED
•
FRAGILITY FACTOR: MODERATELY RUGGED
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATAHEADSETS,HANDSETS,MICROPHONES AND SPEAKERS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTAINLESS STEEL; SUPPORTS AND MOUNTS SHELL,EARPHONE MX-3678/AIC INTO HELMET,FLYING HGU-2/P: ARM OF BRACKET IS SPRING LOADED
FRAGILITY FACTORMODERATELY RUGGED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
40-140Interchangeable
interchangeable cross-reference
interchangeable
70231W1ITEM13Interchangeable
interchangeable cross-reference
interchangeable
70329W1ITEM8Interchangeable
interchangeable cross-reference
interchangeable
AA59649-202BInterchangeable
interchangeable cross-reference
interchangeable
2X6503BInterchangeable
interchangeable cross-reference
interchangeable
70425Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MT-2621/A1C?
MT-2621/A1C is a MT-2621/A1C.
What parts can replace MT-2621/A1C?
There are 22 known substitutes for MT-2621/A1C: 40-140, 70231W1ITEM13, 70329W1ITEM8 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MT-2621/A1C?
MT-2621/A1C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-858-5398. 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