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Technical Data Sheet

M85049/31-20A — BACKSHELL,ELECTRICAL CONNECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M85049/31-20A: BACKSHELL,ELECTRICAL CONNECTOR.

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, thread_class: 2B, overall_length: 0.478 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN, overall_diameter: 1.300 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN, size_designation: 20, style_designator: STRAIGHT SHAPE SOLID TYPE. This part is cataloged in the U.S.

Government catalog under NSN 5935-01-186-5606, 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
M85049/31-20A
NSN: 5935-01-186-5606
FSC: 5935 — Connectors, Electrical
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
thread_class2B
overall_length0.478 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
overall_diameter1.300 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN
size_designation20
style_designatorSTRAIGHT SHAPE SOLID TYPE
thread_directionRIGHT-HAND
surface_treatmentANODIZE
nominal_thread_size1.188 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNEF
specification/standard_data81349-MIL-C-85049/31 GOVERNMENT SPECIFICATION
NSN5935-01-186-5606
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN M85049/31-20A MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED COUPLING
•
OVERALL DIAMETER: 1.300 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: STRAIGHT SHAPE SOLID TYPE
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.188 INCHES IN
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-85049/31 GOVERNMENT SPECIFICATION
•
SIZE DESIGNATION: 20
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED COUPLING
OVERALL DIAMETER1.300 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN
STYLE DESIGNATORSTRAIGHT SHAPE SOLID TYPE
OVERALL LENGTH0.478 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.188 INCHES IN
SPECIFICATION/STANDARD DATA81349-MIL-C-85049/31 GOVERNMENT SPECIFICATION
SIZE DESIGNATION20
SURFACE TREATMENTANODIZE
THREAD CLASS2B
SUBSTITUTES & CROSS-REFERENCES 8
AS85049/31Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS3416-20ENReference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-C-85049/31Reference document
Same NSN cross-reference
Reference document — Secondary reference
M85049/31-20NReference document
Same NSN cross-reference
Reference document — Secondary reference
MILC83723-15Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS3416-20NReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M85049/31-20A?
M85049/31-20A is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace M85049/31-20A?
There are 8 known substitutes for M85049/31-20A: AS85049/31, MS3416-20EN, MIL-C-85049/31 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M85049/31-20A?
M85049/31-20A is cataloged in the U.S. Government catalog under NSN 5935-01-186-5606. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.