The Cover,waveguide Flange, cataloged under National Stock Number 5985-01-142-1773, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-142-1773 |
| Primary Part Number | 2885104 |
| Item Name | Cover,waveguide Flange |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541,TYPE 2,GR C,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Mounting Method | HOLE/SLOT |
| Body Width | 1.875 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/11, T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Body Length | 1.875 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY 6061 |
| Body Depth | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-142-1773 is a Cover,waveguide Flange, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-142-1773 has 3 manufacturer part numbers on file: 1436664 (Northrop Grumman Systems Corporation), 2885104 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2885104 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing).
1 possible match (shared part number, not a government interchangeability claim): 2815-01-523-5994. Verify interchangeability with system specifications before substitution.
Key specifications for 2885104: Surface Treatment Document and Classification: MIL-C-5541,TYPE 2,GR C,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE; Mounting Method: HOLE/SLOT; Body Width: 1.875 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/11, T6 FED SPEC SINGLE MATERIAL RESPONSE. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-01-142-1773 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.