The Attenuator,fixed, cataloged under National Stock Number 5985-01-541-4645, 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 U S Dept of Transportation Federal Aviation Administration. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-541-4645 |
| Primary Part Number | H355301-4 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| 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 |
|---|---|
| H355301-4 | Raytheon Canada Limited (CAN) |
| ATT-447M-04-SMA-02 | Cinch Connectivity Solutions Inc (USA) |
| H355301-4 PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| ATT-447M-04-HEX-02 | Cinch Connectivity Solutions Inc (USA) |
NSN 5985-01-541-4645 is a Attenuator,fixed, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-541-4645 has 4 manufacturer part numbers on file: H355301-4 (Raytheon Canada Limited), ATT-447M-04-SMA-02 (Cinch Connectivity Solutions Inc), H355301-4 (U S Dept of Transportation Federal Aviation Administration), ATT-447M-04-HEX-02 (Cinch Connectivity Solutions Inc).
Key specifications for H355301-4: End Item Identification: ASR11. 0 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.