The Flange,waveguide, cataloged under National Stock Number 5985-00-113-5058, 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 Div Space & Airborne Systems. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-113-5058 |
| Primary Part Number | 171378-1 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Flange Inside Height | 1.338 INCHES MINIMUM AND 1.342 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Height | 3.000 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.256 INCHES MINIMUM AND 0.263 INCHES MAXIMUM SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 2.838 INCHES MINIMUM AND 2.842 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Depth | 0.750 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 4.500 INCHES NOMINAL SINGLE FLANGE IN |
| Material | ALUMINUM ALLOY SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 10 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | CONTACT TYPE SINGLE FLANGE |
| 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 |
|---|---|
| 171378-1 | 3dbm Co Inc Waveguide Group (USA) |
| 171378-1 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| 171378-1 | Alek Industries Inc (USA) |
| 171378-1 | Starwin Industries, Llc (USA) |
| AR-WGF1100 | Argent Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S-11809 | 5/9 Secondary reference 3dbm Co Inc |
| S-11809 | 5/9 Secondary reference Mcs Corporation |
NSN 5985-00-113-5058 is a Flange,waveguide, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-113-5058 has 5 manufacturer part numbers on file: 171378-1 (3dbm Co Inc Waveguide Group), 171378-1 (L3harris Technologies, Inc Div Space & Airborne Systems), 171378-1 (Alek Industries Inc), 171378-1 (Starwin Industries, Llc), AR-WGF1100 (Argent Industries, Inc.).
Key specifications for 171378-1: Flange Inside Height: 1.338 INCHES MINIMUM AND 1.342 INCHES MAXIMUM SINGLE FLANGE IN; Flange Outside Height: 3.000 INCHES NOMINAL SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.256 INCHES MINIMUM AND 0.263 INCHES MAXIMUM SINGLE FLANGE SINGLE CONNECTION FACILITY IN; Flange Inside Width: 2.838 INCHES MINIMUM AND 2.842 INCHES MAXIMUM SINGLE FLANGE IN. 9 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 5985-00-113-5058 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.