The Cover,waveguide Horn, cataloged under National Stock Number 5985-01-273-3528, 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 6 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-273-3528 |
| Primary Part Number | 2904818-1 |
| Item Name | Cover,waveguide Horn |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Method | HOLE/SLOT |
| Body Width | 2.190 INCHES NOMINAL IN |
| Body Height | 0.125 INCHES NOMINAL IN |
| Body Length | 2.440 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2904818-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2904818-1 | Raytheon Company (USA) |
| 2904818-1 | Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp (USA) |
| 2904818-1 | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| 2904818-1 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 2904818-1 | C/1 Advisory reference — outside the item-of-supply concept Valcore Manufacturing Llc |
| 2904818-1 | 5/9 Secondary reference Valcore Manufacturing Llc Dba Use CAGE Code 04ye2 for Cataloging |
| 2904818-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5985-01-273-3528 is a Cover,waveguide Horn, 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 5985-01-273-3528 has 5 manufacturer part numbers on file: 2904818-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2904818-1 (Raytheon Company), 2904818-1 (Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp), 2904818-1 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing), 2904818-1 (Raytheon Company Dba Raytheon Co).
Key specifications for 2904818-1: Mounting Method: HOLE/SLOT; Body Width: 2.190 INCHES NOMINAL IN; Body Height: 0.125 INCHES NOMINAL IN; Body Length: 2.440 INCHES NOMINAL IN. 6 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.
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.