The Attenuator,variable, cataloged under National Stock Number 5985-01-282-7054, 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 Stellant Systems Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-282-7054 |
| Primary Part Number | FC1912B |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Stellant Systems Inc |
| Status | ACTIVE |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Body Style | COAXIAL TYPE |
| Adjustment Device Type and Quantity | 3 SLOTTED SCREW |
| Criticality Code Justification | FEAT |
| Attenuation Variation Method | CONTINUOUS |
| Application Design | WAVEGUIDE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| FC1912B PRIMARY | Stellant Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 7547076P3 | 5/9 Secondary reference U.S. Government activity |
| 754706P0003 | 7/9 Vendor item drawing reference U.S. Government activity |
NSN 5985-01-282-7054 is a Attenuator,variable, manufactured by Stellant Systems Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-282-7054 has 1 manufacturer part number on file: FC1912B (Stellant Systems Inc).
Key specifications for FC1912B: Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Overall Height: 1.325 INCHES NOMINAL IN; Body Style: COAXIAL TYPE. 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 5985-01-282-7054 has DEMIL Code Q. 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.