The Attenuator,variable, cataloged under National Stock Number 5985-01-220-4381, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-220-4381 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES AND RELATED EQUIP. |
| Body Style | WAVEGUIDE TYPE |
| Adjustment Device Type and Quantity | 1 SLOTTED SCREW |
| Application Design | WAVEGUIDE |
| Terminal Type and Quantity | 1 CONNECTOR, COAXIAL, FEMALE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2712240-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-220-4381 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-220-4381: FSC Application Data: ANTENNAS,WAVEGUIDES AND RELATED EQUIP.; Body Style: WAVEGUIDE TYPE; Adjustment Device Type and Quantity: 1 SLOTTED SCREW; End Item Identification: SYNCHRO RECEIVER,R-1979/APS-124 USED ON SH-60B HELICOPTER LAMPS MK 3. 5 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 5985-01-220-4381 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.