The Waveguide Assembly,filter, cataloged under National Stock Number 5985-01-590-4526, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 3 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 | 5985-01-590-4526 |
| Primary Part Number | H422304-1 |
| Item Name | Waveguide Assembly,filter |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Voltage Standing Wave Ratio | 1.25 |
| Specified Frequency | 4.0 HERTZ MINIMUM AND 25.0 HERTZ MAXIMUM |
| Insertion Loss in Decibels | 1.00 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-590-4526 is a Waveguide Assembly,filter, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-590-4526 has 2 manufacturer part numbers on file: 70028-545 (Frontgrade Technologies Inc.), H422304-1 (Raytheon Company Dba Raytheon Co).
Key specifications for H422304-1: Voltage Standing Wave Ratio: 1.25; Specified Frequency: 4.0 HERTZ MINIMUM AND 25.0 HERTZ MAXIMUM; Insertion Loss in Decibels: 1.00; Special Features: ASSEMBLY CONSISTS OF: KA WAVEGUIDE FILTER, TWO SECTIONS OF KA-BAND WAVEGUIDE PERMANENTLY ATTACHED TOGETHER. OPERATION TEMP RANGE: -28 TO +77 DEG C, NON-OPERATING: -54 TO +77 DEG C. PASSBAND: 30 TO 31GHZ, FLANGES: WR-28 COVER IAW MIL-DTL-3922, BRASS ALLOY 360 IAW ASTM B16/B16M GHz. 3 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 5985-01-590-4526 has DEMIL Code D. 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.