The Attenuator,fixed, cataloged under National Stock Number 5985-01-678-0479, 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 Infinite Electronics International, Inc.. Government technical data includes 9 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 | 5985-01-678-0479 |
| Primary Part Number | SA18S25W-30 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Infinite Electronics International, Inc. |
| Status | ACTIVE |
| Frequency Range | 18.0 GIGAHERTZ MINIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS ON ONE SURFACE |
| Overall Diameter | 1.5 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Input Impedance Rating in Ohms | 50.0 |
| Surface Treatment | PASSIVATE BODY |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Material | STEEL BODY |
| Power Rating | 25.0 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 |
|---|---|
| SA18S25W-30 PRIMARY | Infinite Electronics International, Inc. (USA) |
NSN 5985-01-678-0479 is a Attenuator,fixed, manufactured by Infinite Electronics International, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-678-0479 has 1 manufacturer part number on file: SA18S25W-30 (Infinite Electronics International, Inc.).
Key specifications for SA18S25W-30: Frequency Range: 18.0 GIGAHERTZ MINIMUM; Body Style: ROUND, TERMINAL/TERMINALS ON ONE SURFACE; Overall Diameter: 1.5 INCHES NOMINAL IN; Precious Material: GOLD. 9 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.