The Attenuator,fixed, cataloged under National Stock Number 5985-01-481-9245, 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 Bird Electronic Corporation Div Bird Electronic Corp. 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 | 5985-01-481-9245 |
| Primary Part Number | 300-A-MFB-30 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Bird Electronic Corporation Div Bird Electronic Corp |
| Status | ACTIVE |
| Voltage Standing Wave Ratio | 1.10 AND 1.25 |
| Rf Signal Attenuation in Decibels | 30.0 |
| Surface Treatment | PAINT BODY |
| Connection Type Per Function | MALE INPUT AND FEMALE OUTPUT |
| Operating Temp Range | -40.0 TO 40.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 2.4 GIGAHERTZ |
| Power Rating | 300.0 WATTS AVERAGE |
| Terminal Type and Quantity | 1 CONNECTOR |
| Coaxial Connector Series Designation | BNC |
| 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 |
|---|---|
| 300-A-MFB-30 PRIMARY | Bird Electronic Corporation Div Bird Electronic Corp (USA) |
NSN 5985-01-481-9245 is a Attenuator,fixed, manufactured by Bird Electronic Corporation Div Bird Electronic Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-481-9245 has 1 manufacturer part number on file: 300-A-MFB-30 (Bird Electronic Corporation Div Bird Electronic Corp).
Key specifications for 300-A-MFB-30: Voltage Standing Wave Ratio: 1.10 AND 1.25; Rf Signal Attenuation in Decibels: 30.0; Surface Treatment: PAINT BODY; Connection Type Per Function: MALE INPUT AND FEMALE OUTPUT. 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.