The Attenuator,fixed, cataloged under National Stock Number 5985-01-703-1532, 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 Spectrum Control, Inc.. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-703-1532 |
| Primary Part Number | 18A-18 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Spectrum Control, Inc. |
| Status | ACTIVE |
| Frequency Range | 250.0 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 18.0 |
| Surface Treatment | PASSIVATE BODY |
| Operating Temp Range | -65.0 TO 125.0 CELSIUS DEGC |
| Material | STEEL BODY |
| Material | COPPER TERMINAL |
| Power Rating | 250.0 WATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 18A-18 PRIMARY | Spectrum Control, Inc. (USA) |
NSN 5985-01-703-1532 is a Attenuator,fixed, manufactured by Spectrum Control, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-703-1532 has 1 manufacturer part number on file: 18A-18 (Spectrum Control, Inc.).
Key specifications for 18A-18: Overall Height: 7.1 MILLIMETERS NOMINAL MM; Frequency Range: 250.0 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES; Input Impedance Rating in Ohms: 50.0. 11 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 5985-01-703-1532 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.