The Attenuator,variable, cataloged under National Stock Number 5985-01-030-0992, 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 Waveline Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-030-0992 |
| Primary Part Number | 50970 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Waveline Inc |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.5 |
| Frequency Range | 7.900 GIGAHERTZ MINIMUM AND 8.400 GIGAHERTZ MAXIMUM |
| Body Style | WAVEGUIDE TYPE |
| Adjustment Device Type and Quantity | 1 SLOTTED SCREW |
| Overall Attenuation Range in Decibels | +0.0 TO 30.0 |
| Voltage Standing Wave Ratio | 1.50 |
| Attenuation Variation Method | CONTINUOUS |
| Application Design | WAVEGUIDE |
| Terminal Type and Quantity | 2 FLANGE |
| Power Rating | 3.0 WATTS AVERAGE |
| 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 |
|---|---|
| 50970 | Waveline Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-A-883111 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-030-0992 is a Attenuator,variable, manufactured by Waveline Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-030-0992 has 1 manufacturer part number on file: 50970 (Waveline Inc).
3 possible matches (shared part number, not a government interchangeability claim): 1240-01-352-9797, 1560-01-424-5652, 5331-01-687-0977. Verify interchangeability with system specifications before substitution.
Key specifications for 50970: Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.5; Overall Height: 3.877 INCHES NOMINAL IN; Frequency Range: 7.900 GIGAHERTZ MINIMUM AND 8.400 GIGAHERTZ MAXIMUM; Body Style: WAVEGUIDE TYPE. 10 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.