The Waveguide Assembly, cataloged under National Stock Number 5985-01-035-5243, 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 30 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 | 5985-01-035-5243 |
| Primary Part Number | 398058-1 |
| 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 |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENTSEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.311 INCHES NOMINAL FIRST FLANGE0.311 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Height | 0.394 INCHES NOMINAL SECOND FLANGE0.394 INCHES NOMINAL SECOND FLANGE IN |
| Flange Quantity | 22 |
| Voltage Standing Wave Ratio | 1.051.05 |
| Bend Angle in Deg | 90.0 SINGLE BEND H-PLANE90.0 SINGLE BEND H-PLANE |
| Style Designator | CORNER TYPE |
| Waveguide Offset Distance | 0.969 INCHES NOMINAL IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Flange Inside Diameter | 0.710 INCHES NOMINAL FIRST FLANGE0.710 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Inside Width | 0.622 INCHES NOMINAL0.622 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULARINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.313 INCHES NOMINAL SECOND FLANGE1.313 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 1.312 INCHES NOMINAL FIRST FLANGE1.312 INCHES NOMINAL FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.144 INCHES NOMINAL SECOND FLANGE SINGLE CONNECTION FACILITY0.144 INCHES NOMINAL SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITYRIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.138 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY0.138 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 0.311 INCHES NOMINAL0.311 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.702 INCHES NOMINAL0.702 INCHES NOMINAL IN |
| Flange Depth | 0.313 INCHES NOMINAL SECOND FLANGE0.313 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 0.375 INCHES NOMINAL FIRST FLANGE0.375 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 1.313 INCHES NOMINAL SECOND FLANGE1.313 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.312 INCHES NOMINAL FIRST FLANGE1.312 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Inside Height | 0.391 INCHES NOMINAL0.391 INCHES NOMINAL IN |
| Thread Class | 2B FIRST FLANGE SINGLE CONNECTION FACILITY2B FIRST FLANGE SINGLE CONNECTION FACILITY |
| Material | ALUMINUM ALLOY ALL FLANGE |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 2 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY2 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 2 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY2 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-035-5243 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 5985-01-035-5243 has 2 manufacturer part numbers on file: 398058-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 228922 (Microtech Inc Dba Microtech Inc).
Key specifications for 398058-1: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENTSEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.311 INCHES NOMINAL FIRST FLANGE0.311 INCHES NOMINAL FIRST FLANGE IN; Flange Inside Height: 0.394 INCHES NOMINAL SECOND FLANGE0.394 INCHES NOMINAL SECOND FLANGE IN; Flange Quantity: 22. 30 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.