The Attenuator,variable, cataloged under National Stock Number 5985-00-822-3349, 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 Viavi Solutionsllc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-822-3349 |
| Primary Part Number | ATM7787 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Viavi Solutionsllc |
| Status | ACTIVE |
| Impedance Rating in Ohms | 75.0 INPUT-OUTPUT |
| FSC Application Data | RADIO SET,RADIO,EXCEPT NAVIGATION AND HOME TYPE,NONAIRBORNE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM |
| Overall Attenuation Range in Decibels | +0.0 TO 11.0 |
| Attenuation Per Step in Decibels | 1.0 |
| Attenuation Variation Method | STEPPED |
| Application Design | TRANSMISSION LINE |
| Step Position Quantity | 11 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ATM7787 PRIMARY | Viavi Solutionsllc (USA) |
| Reference | Meaning |
|---|---|
| ATM7787 | 5/9 Secondary reference Marconi Electronics Inc Marconi Instruments Div |
NSN 5985-00-822-3349 is a Attenuator,variable, manufactured by Viavi Solutionsllc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-822-3349 has 1 manufacturer part number on file: ATM7787 (Viavi Solutionsllc).
Key specifications for ATM7787: Impedance Rating in Ohms: 75.0 INPUT-OUTPUT; FSC Application Data: RADIO SET,RADIO,EXCEPT NAVIGATION AND HOME TYPE,NONAIRBORNE; Frequency Range: 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM; Overall Attenuation Range in Decibels: +0.0 TO 11.0. 8 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 5985-00-822-3349 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.