The Attenuator,variable, cataloged under National Stock Number 5985-00-689-8901, 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 General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-689-8901 |
| Primary Part Number | 58P18368B001 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | General Dynamics Mission Systems, Inc. Dba Gdms |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 1.5 |
| Frequency Range | 8.800 GIGAHERTZ MINIMUM AND 9.600 GIGAHERTZ MAXIMUM |
| Body Style | WAVEGUIDE TYPE |
| Adjustment Device Type and Quantity | 1 ELECTRONIC, CURRENT CONTROLLED |
| Overall Attenuation Range in Decibels | +0.0 TO 45.0 |
| Voltage Standing Wave Ratio | 2.00 |
| Attenuation Variation Method | CONTINUOUS |
| Operating Temp Range | -28.0 TO 65.0 CELSIUS DEGC |
| Application Design | WAVEGUIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 58P18368B001 PRIMARY | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| 58P18368B001 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-689-8901 is a Attenuator,variable, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-689-8901 has 1 manufacturer part number on file: 58P18368B001 (General Dynamics Mission Systems, Inc. Dba Gdms).
Key specifications for 58P18368B001: Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.5; Overall Height: 1.720 INCHES NOMINAL IN; Frequency Range: 8.800 GIGAHERTZ MINIMUM AND 9.600 GIGAHERTZ MAXIMUM; Body Style: WAVEGUIDE TYPE. 9 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 5985-00-689-8901 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.