The Flange,waveguide, cataloged under National Stock Number 5985-01-178-8820, 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 Div Rmd Strategic. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-178-8820 |
| Primary Part Number | SM-C-802146 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Flange Inside Height | 0.400 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Height | 1.630 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.169 INCHES NOMINAL SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.900 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Depth | 0.313 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 1.630 INCHES NOMINAL SINGLE FLANGE IN |
| Material | ALUMINUM ALLOY 6061 SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Flange Style | COVER 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 |
|---|---|
| SM-C-802146 | Raytheon Company Div Rmd Strategic (USA) |
| SM-C-802146 | Autodyne Manufacturing Co Inc (USA) |
| A11675 | Autodyne Manufacturing Co Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-C-802146 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-178-8820 is a Flange,waveguide, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-178-8820 has 3 manufacturer part numbers on file: SM-C-802146 (Raytheon Company Div Rmd Strategic), SM-C-802146 (Autodyne Manufacturing Co Inc), A11675 (Autodyne Manufacturing Co Inc).
Key specifications for SM-C-802146: Flange Inside Height: 0.400 INCHES NOMINAL SINGLE FLANGE IN; Flange Outside Height: 1.630 INCHES NOMINAL SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.169 INCHES NOMINAL SINGLE FLANGE ALL CONNECTION FACILITIES IN; Flange Inside Width: 0.900 INCHES NOMINAL 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 5985-01-178-8820 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.