The Attenuator,fixed, cataloged under National Stock Number 5985-01-140-4291, 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 Scientific Components Corp Dba Mini-Circuits. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-140-4291 |
| Primary Part Number | ZMAS-1 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Scientific Components Corp Dba Mini-Circuits |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 50.000 KILOHERTZ MAXIMUM |
| Center to Center Distance Between Second and Third Terminals | 0.438 INCHES NOMINAL IN |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON ONE SURFACE |
| Input Impedance Rating in Ohms | 50.0 |
| Rf Signal Attenuation in Decibels | 50.0 |
| Body Height | 1.150 INCHES NOMINAL IN |
| Center to Center Distance Between First and Second Terminals | 0.438 INCHES NOMINAL IN |
| Connection Type Per Function | FEMALE INPUT AND FEMALE OUTPUT |
| Operating Temp Range | -55.0 TO 100.0 CELSIUS DEGC |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 3 CONNECTOR |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| ZMAS-1 PRIMARY | Scientific Components Corp Dba Mini-Circuits (USA) |
| Reference | Meaning |
|---|---|
| 337704 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5985-01-140-4291 is a Attenuator,fixed, manufactured by Scientific Components Corp Dba Mini-Circuits, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-140-4291 has 1 manufacturer part number on file: ZMAS-1 (Scientific Components Corp Dba Mini-Circuits).
Key specifications for ZMAS-1: Frequency Range: 0.000 HERTZ MINIMUM AND 50.000 KILOHERTZ MAXIMUM; Center to Center Distance Between Second and Third Terminals: 0.438 INCHES NOMINAL IN; Body Style: RECTANGULAR, TERMINAL/TERMINALS ON ONE SURFACE; Input Impedance Rating in Ohms: 50.0. 12 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 5985-01-140-4291 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.