The Attenuator,variable, cataloged under National Stock Number 5985-01-311-2992, 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 Lockheed Martin Sippican, Inc. Div Communication Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-311-2992 |
| Primary Part Number | 2787G-1 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Sippican, Inc. Div Communication Division |
| Status | ACTIVE |
| Shaft Type | ROUND |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Body Style | RECTANGULAR, TERMINALS ON ONE SURFACE |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Schematic Diagram Designator | BRIDGED "T" |
| Application Design | AUDIO |
| Power Rating | 500.0 MILLIWATTS AVERAGE |
| 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 |
|---|---|
| 2787G-1 PRIMARY | Lockheed Martin Sippican, Inc. Div Communication Division (USA) |
| Reference | Meaning |
|---|---|
| 70P4G016L500N | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
NSN 5985-01-311-2992 is a Attenuator,variable, manufactured by Lockheed Martin Sippican, Inc. Div Communication Division, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-311-2992 has 1 manufacturer part number on file: 2787G-1 (Lockheed Martin Sippican, Inc. Div Communication Division).
Key specifications for 2787G-1: Shaft Type: ROUND; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Overall Height: 0.625 INCHES NOMINAL IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT. 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 5985-01-311-2992 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.