NSN 5985-01-537-6533 · NIIN 015376533 · Part number 50-A-FFN-20
Bird Electronic Corporation Div Bird Electronic Corp · FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components · CAGE 70998
Government record, cited
NSN 5985-01-537-6533 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-537-6533. Manufacturer of record part number: 50-A-FFN-20.
Also searched as5985-01-537-6533 ·
5985015376533 ·
NIIN 015376533 ·
01-537-6533 ·
FSC 5985 Antennas, Waveguides, and Related Equipment · CAGE 70998 · 50-A-FFN-20 · 50-AF-FFN-20
Nearby stock numbers← 5985-01-537-6441 Los Satcom Ant
·
5985-01-537-6688 Adapter, Waveguide →
Features
Attenuator,fixed — FSC 5985
2 manufacturer part numbers on file
Manufacturer of record: Bird Electronic Corporation Div Bird Electronic Corp
Identification
NSN: 5985-01-537-6533
NIIN: 015376533
FSC: 5985 — Antennas, Waveguides, and Related Equipment
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 50-A-FFN-20
Manufacturer: Bird Electronic Corporation Div Bird Electronic Corp
General Description
The Attenuator,fixed, cataloged under National Stock Number 5985-01-537-6533, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Attenuator,fixed
FSC / FSG
5985 — Antennas, Waveguides, and Related Equipment (FSG 59)
Manufacturers
Bird Electronic Corporation Div Bird Electronic Corp (CAGE 70998); Bae Systems (defence Systems) Ltd (CAGE U2982)
Technical Specifications
Parameter
Value
NSN
5985-01-537-6533
Primary Part Number
50-A-FFN-20
Item Name
Attenuator,fixed
FSC / FSG
5985 / 59 — Antennas, Waveguides, and Related Equipment
Manufacturer
Bird Electronic Corporation Div Bird Electronic Corp
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 5985 — Antennas, Waveguides, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5985-00-001-1854
ANTENNA
5985-00-001-1862
WAVEGUIDE ASSEMBLY
5985-00-001-1869
WAVEGUIDE ASSEMBLY
5985-00-001-1870
WAVEGUIDE ASSEMBLY
5985-00-001-1871
WAVEGUIDE ASSEMBLY
5985-00-001-1874
WAVEGUIDE ASSEMBLY
5985-00-001-1875
ADAPTER,WAVEGUIDE
5985-00-001-1876
WAVEGUIDE ASSEMBLY
Frequently Asked Questions
What is NSN 5985-01-537-6533?
NSN 5985-01-537-6533 is a Attenuator,fixed, manufactured by Bird Electronic Corporation Div Bird Electronic Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
What part numbers are listed for NSN 5985-01-537-6533?
NSN 5985-01-537-6533 has 2 manufacturer part numbers on file: 50-A-FFN-20 (Bird Electronic Corporation Div Bird Electronic Corp), 50-AF-FFN-20 (Bae Systems (defence Systems) Ltd).
Is NSN 5985-01-537-6533 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.