The Waveguide Assembly, cataloged under National Stock Number 5985-00-435-8948, 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 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 18 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-435-8948 |
| Primary Part Number | 404599-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS THIRD TUBING SEGMENT |
| Tubing Wall Construction Style | SEAMLESS FIRST TUBING SEGMENT |
| Tubing Wall Construction Style | CONVOLUTE SECOND TUBING SEGMENT |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.30 |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | RIGID THIRD TUBING SEGMENT |
| Flexibility | FLEXIBLE SECOND TUBING SEGMENT |
| Flexibility | RIGID FIRST TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Waveguide Center to Center Distance | 3.062 INCHES NOMINAL IN |
| Waveguide Length | 10.500 INCHES NOMINAL IN |
| Insertion Loss in Decibels | 0.15 |
| Surface Treatment | ENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Material | ALUMINUM ALLOY FIRST TUBING SEGMENT |
| Material | COPPER ALLOY SECOND TUBING SEGMENT |
| Material | ALUMINUM ALLOY THIRD TUBING SEGMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 404599-1 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
NSN 5985-00-435-8948 is a Waveguide Assembly, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-435-8948 has 1 manufacturer part number on file: 404599-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
1 possible match (shared part number, not a government interchangeability claim): 4730-00-719-4485. Verify interchangeability with system specifications before substitution.
Key specifications for 404599-1: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS THIRD TUBING SEGMENT; Tubing Wall Construction Style: SEAMLESS FIRST TUBING SEGMENT; Tubing Wall Construction Style: CONVOLUTE SECOND TUBING SEGMENT. 18 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 5985-00-435-8948 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.