The Attenuator,fixed, cataloged under National Stock Number 5985-01-485-4102, 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 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 | 5985-01-485-4102 |
| Primary Part Number | 300-A-FFN-10 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Bird Electronic Corporation Div Bird Electronic Corp |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 2.400 GIGAHERTZ MAXIMUM |
| Voltage Standing Wave Ratio | 1.10 AND 1.25 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | UNTHREADED HOLE(S) |
| Connection Type Per Function | FEMALE INPUT AND FEMALE OUTPUT |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 2.4 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Material | ALUMINUM BODY |
| Power Rating | 300.0 WATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR |
| Coaxial Connector Series Designation | N |
| 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 |
|---|---|
| 300-A-FFN-10 PRIMARY | Bird Electronic Corporation Div Bird Electronic Corp (USA) |
NSN 5985-01-485-4102 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 5985-01-485-4102 has 1 manufacturer part number on file: 300-A-FFN-10 (Bird Electronic Corporation Div Bird Electronic Corp).
Key specifications for 300-A-FFN-10: Frequency Range: 0.000 HERTZ MINIMUM AND 2.400 GIGAHERTZ MAXIMUM; Voltage Standing Wave Ratio: 1.10 AND 1.25; Input Impedance Rating in Ohms: 50.0; Mounting Method: UNTHREADED HOLE(S). 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 5985-01-485-4102 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.