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Technical Data Sheet

M85049/1720N04A — BACKSHELL,ELECTRICAL CONNECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M85049/1720N04A: BACKSHELL,ELECTRICAL CONNECTOR.

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, seal_type: GROMMET AND PREFORMED PACKING, thread_class: 2A A, overall_width: 1.156 INCHES MAXIMUM IN, overall_height: 1.156 INCHES MAXIMUM IN, overall_length: 4.000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5935-01-120-3928, 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
M85049/1720N04A
NSN: 5935-01-120-3928
NIINs: 011203928, 011803398
FSC: 5935 — Connectors, Electrical
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialALUMINUM ALLOY
seal_typeGROMMET AND PREFORMED PACKING
thread_class2A A
overall_width1.156 INCHES MAXIMUM IN
overall_height1.156 INCHES MAXIMUM IN
overall_length4.000 INCHES MAXIMUM IN
size_designation20
style_designatorSTRAIGHT TYPE W/CABLE CLAMP
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE AND NICKEL
nominal_thread_size1.187 INCHES IN
cable_opening_diameter0.375 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
NSN5935-01-120-3928
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN M85049/1720N04A MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED COUPLING
•
STYLE DESIGNATOR: STRAIGHT TYPE W/CABLE CLAMP
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.187 INCHES IN
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-85049/17 GOVERNMENT SPECIFICATION
•
CABLE OPENING QUANTITY: 1
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED COUPLING
STYLE DESIGNATORSTRAIGHT TYPE W/CABLE CLAMP
OVERALL LENGTH4.000 INCHES MAXIMUM IN
OVERALL WIDTH1.156 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.187 INCHES IN
SPECIFICATION/STANDARD DATA81349-MIL-C-85049/17 GOVERNMENT SPECIFICATION
CABLE OPENING QUANTITY1
SIZE DESIGNATION20
SURFACE TREATMENTCADMIUM AND CHROMATE AND NICKEL
SUBSTITUTES & CROSS-REFERENCES 2
M38999/5-20F04AReference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-C-85049/17Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M85049/1720N04A?
M85049/1720N04A is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace M85049/1720N04A?
There are 2 known substitutes for M85049/1720N04A: M38999/5-20F04A, MIL-C-85049/17. Substitute compatibility should be verified for your specific system.
What is the NSN for M85049/1720N04A?
M85049/1720N04A is cataloged in the U.S. Government catalog under NSN 5935-01-120-3928. 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.