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PartsTable / COMPONENT / M39O12/21-OO1
M39O12/21-OO1 ✓ 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 M39O12/21-OO1 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 5935-01-437-0891, 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
M39O12/21-OO1
NSN: 5935-01-437-0891
FSC: 5935
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM39O12/21-OO1
NSN5935-01-437-0891
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M39O12/21-OO1 TITLE COMPONENT PN M39O12/21-OO1 MFR M39O12/21-OO1
KEY FEATURES
•
THREAD DIRECTION: RIGHT-HAND
•
SHELL MATERIAL: COPPER ALLOY
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-39012/21 GOVERNMENT SPECIFICATION
•
BUSHING ACCOMMODATION HOLE SHAPE: ROUND W/FLAT
•
THREAD CLASS: 2A A
•
CONNECTOR LOCKING METHOD: BAYONET PIN
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NOMINAL THREAD SIZE: 0.375 INCHES IN
•
THREADED DEVICE TYPE: MOUNTING BUSHING
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
SHELL MATERIALCOPPER ALLOY
SPECIFICATION/STANDARD DATA81349-MIL-C-39012/21 GOVERNMENT SPECIFICATION
BUSHING ACCOMMODATION HOLE SHAPEROUND W/FLAT
THREAD CLASS2A A
CONNECTOR LOCKING METHODBAYONET PIN
NOMINAL THREAD SIZE0.375 INCHES IN
THREADED DEVICE TYPEMOUNTING BUSHING
CONTACT POSITION ARRANGEMENT STYLEBNC SINGLE MATING END
SHELL TYPESOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
M34012/21-0003Interchangeable
interchangeable cross-reference
interchangeable
KC79-121Interchangeable
interchangeable cross-reference
interchangeable
414-2420-002Interchangeable
interchangeable cross-reference
interchangeable
L01912Interchangeable
interchangeable cross-reference
interchangeable
WTB24SECSYInterchangeable
interchangeable cross-reference
interchangeable
374-015-005Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M39O12/21-OO1?
M39O12/21-OO1 is a M39O12/21-OO1.
What parts can replace M39O12/21-OO1?
There are 12 known substitutes for M39O12/21-OO1: M34012/21-0003, KC79-121, 414-2420-002 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M39O12/21-OO1?
M39O12/21-OO1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-437-0891. 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