The Attenuator,variable, cataloged under National Stock Number 5985-01-400-0781, 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 Spectrum Microwave Inc. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Spectrum Microwave Inc (CAGE 60979); Raytheon Company (CAGE 00724) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-400-0781 |
| Primary Part Number | 44-00228-001 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Spectrum Microwave Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 44-00228-001 PRIMARY | Spectrum Microwave Inc (USA) |
| 44-00228-001 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 44-00228-001 | 5/9 Secondary reference M/a-Com Inc. |
| 44-00228-001 | 5/9 Secondary reference Smiths Interconnect Americas, Inc. |
| 44-00228-001 | C/1 Advisory reference — outside the item-of-supply concept Caes Systems Llc Div Missile Systems Division |
NSN 5985-01-400-0781 is a Attenuator,variable, manufactured by Spectrum Microwave Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-400-0781 has 2 manufacturer part numbers on file: 44-00228-001 (Spectrum Microwave Inc), 44-00228-001 (Raytheon Company).
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 5985-01-400-0781 has DEMIL Code B. 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.