The Attenuator,variable, cataloged under National Stock Number 5985-01-174-4781, 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 Caes Mission Systems Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-174-4781 |
| Primary Part Number | MD-42S19D |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Caes Mission Systems Llc |
| Status | ACTIVE |
| Body Style | COAXIAL TYPE |
| Criticality Code Justification | FEAT |
| Operating Temp Range | -30.0 TO 170.0 FAHRENHEIT DEGF |
| Power Rating | 2.3 WATTS PEAK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | C |
| Part Number | Manufacturer |
|---|---|
| MD-42S19D PRIMARY | Caes Mission Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 435330-2 | 7/2 Vendor item drawing reference L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
NSN 5985-01-174-4781 is a Attenuator,variable, manufactured by Caes Mission Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-174-4781 has 1 manufacturer part number on file: MD-42S19D (Caes Mission Systems Llc).
Key specifications for MD-42S19D: Overall Height: 2.000 INCHES NOMINAL IN; Body Style: COAXIAL TYPE; Criticality Code Justification: FEAT; Overall Length: 2.620 INCHES NOMINAL IN. 4 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 5985-01-174-4781 has DEMIL Code D. 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.