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Technical Data Sheet

M85049/1821N08 — BACKSHELL,ELECTRICAL CONNECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M85049/1821N08: BACKSHELL,ELECTRICAL CONNECTOR.

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include seal_type: GROMMET AND PREFORMED PACKING, overall_width: 1.650 INCHES NOMINAL IN, overall_height: 1.550 INCHES NOMINAL IN, overall_length: 3.093 INCHES MINIMUM AND 3.157 INCHES MAXIMUM IN, size_designation: 21, style_designator: STRAIGHT TYPE W/CABLE CLAMP. This part is cataloged in the U.S.

Government catalog under NSN 5935-01-539-5504, 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
M85049/1821N08
NSN: 5935-01-539-5504
FSC: 5935 — Connectors, Electrical
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
seal_typeGROMMET AND PREFORMED PACKING
overall_width1.650 INCHES NOMINAL IN
overall_height1.550 INCHES NOMINAL IN
overall_length3.093 INCHES MINIMUM AND 3.157 INCHES MAXIMUM IN
size_designation21
style_designatorSTRAIGHT TYPE W/CABLE CLAMP
surface_treatmentNICKEL
cable_opening_diameter0.875 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
cable_opening_quantity1
mounting_facility_type_and_quantity1 CLAMP ASSEMBLY AND 1 THREADED COUPLING
NSN5935-01-539-5504
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN M85049/1821N08 MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 CLAMP ASSEMBLY AND 1 THREADED COUPLING
•
SEAL TYPE: GROMMET AND PREFORMED PACKING
•
STYLE DESIGNATOR: STRAIGHT TYPE W/CABLE CLAMP
•
CABLE OPENING QUANTITY: 1
•
SIZE DESIGNATION: 21
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 CLAMP ASSEMBLY AND 1 THREADED COUPLING
SEAL TYPEGROMMET AND PREFORMED PACKING
OVERALL HEIGHT1.550 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT TYPE W/CABLE CLAMP
OVERALL LENGTH3.093 INCHES MINIMUM AND 3.157 INCHES MAXIMUM IN
OVERALL WIDTH1.650 INCHES NOMINAL IN
CABLE OPENING QUANTITY1
SIZE DESIGNATION21
SURFACE TREATMENTNICKEL
CABLE OPENING DIAMETER0.875 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5935 — Connectors, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5935-00-000-8180 5935-00-001-1344 5935-00-001-1347 5935-00-001-1350 5935-00-001-1351 5935-00-001-1353 5935-00-001-1627 5935-00-001-1628
SUBSTITUTES & CROSS-REFERENCES 1
SAE-AS85049/18Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M85049/1821N08?
M85049/1821N08 is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace M85049/1821N08?
There is 1 known substitute for M85049/1821N08: SAE-AS85049/18. Substitute compatibility should be verified for your specific system.
What is the NSN for M85049/1821N08?
M85049/1821N08 is cataloged in the U.S. Government catalog under NSN 5935-01-539-5504. 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.