The Attenuator,fixed, cataloged under National Stock Number 5985-01-671-9887, 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 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-671-9887 |
| Primary Part Number | 1000-WA-WFF-20 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Bird Electronic Corporation Div Bird Electronic Corp |
| Status | ACTIVE |
| Input Impedance Rating in Ohms | 50.0 |
| Surface Treatment | ANODIZE BODY |
| 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 |
|---|---|
| 1000-WA-FNN-20 | So.ge.mi. Srl (ITA) |
| 1000-WA-WFF-20 PRIMARY | Bird Electronic Corporation Div Bird Electronic Corp (USA) |
NSN 5985-01-671-9887 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 5985-01-671-9887 has 2 manufacturer part numbers on file: 1000-WA-FNN-20 (So.ge.mi. Srl), 1000-WA-WFF-20 (Bird Electronic Corporation Div Bird Electronic Corp).
Key specifications for 1000-WA-WFF-20: Overall Height: 4.8 INCHES NOMINAL IN; Input Impedance Rating in Ohms: 50.0; Overall Length: 19.6 INCHES NOMINAL IN; Overall Width: 10.6 INCHES NOMINAL IN. 2 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.