The Attenuator,variable, cataloged under National Stock Number 5985-00-977-1247, 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 Electric Company. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-977-1247 |
| Primary Part Number | 7164469P1 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Bushing Length | 0.375 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 500.0 INPUT |
| Body Diameter | 1.625 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Overall Attenuation Range in Decibels | +0.0 TO 38.0 |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Overall Attenuation Accuracy in Decibels | -2.85 TO 2.85 |
| Attenuation Variation Method | CONTINUOUS |
| Schematic Diagram Designator | UNBALANCED "LL" |
| Mounting Thread Quantity | 32 PER INCH |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Application Design | AUDIO |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Power Rating | 4.0 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 |
|---|---|
| 7164469P1 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 500L4 | 5/9 Secondary reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| 7164469P1 | 3/9 Design control — primary reference Mpd Components, Inc. |
NSN 5985-00-977-1247 is a Attenuator,variable, manufactured by General Electric Company, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-977-1247 has 1 manufacturer part number on file: 7164469P1 (General Electric Company).
Key specifications for 7164469P1: Bushing Length: 0.375 INCHES NOMINAL IN; Impedance Rating in Ohms: 500.0 INPUT; Body Diameter: 1.625 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 THREADED BUSHING. 14 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.