The Flange,waveguide, cataloged under National Stock Number 5985-01-294-3712, 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 Naval Sea Systems Command. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-294-3712 |
| Primary Part Number | 5543711 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| FSC Application Data | RADAR SYSTEMS |
| Flange Inside Height | 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.092 INCHES MINIMUM AND 0.098 INCHES MAXIMUM SINGLE FLANGE FIRST CONNECTION FACILITY IN |
| Flange Inside Width | 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM SINGLE FLANGE IN |
| Thread Direction | RIGHT-HAND SINGLE FLANGE SECOND CONNECTION FACILITY |
| Nominal Thread Size | 0.112 INCHES SINGLE FLANGE SECOND CONNECTION FACILITY IN |
| Flange Depth | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM SINGLE FLANGE IN |
| Surface Treatment | CHROMATE AND PASSIVATE SINGLE FLANGE ALL SURFACES |
| Thread Class | 2B SINGLE FLANGE SECOND CONNECTION FACILITY |
| Thread Quantity Per Inch | 40 SINGLE FLANGE SECOND CONNECTION FACILITY |
| Material | METAL SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE FIRST CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SINGLE FLANGE SECOND CONNECTION FACILITY |
| Flange Outside Diameter | 1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM SINGLE FLANGE IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE SECOND CONNECTION FACILITY |
| Flange Style | CONTACT TYPE SINGLE FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5543711 PRIMARY | Naval Sea Systems Command (USA) |
| 5543711 | Raytheon Company (USA) |
| 5543711 | Center Tool Co. Dba Center Tool & Machine Co (USA) |
| 5543711 | Jcm Engineering Corp Dba Jcm Engineering Corp Div Jcm Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 5543711 | 5/9 Secondary reference Astro Microwave Inc |
| 5543711 | 5/9 Secondary reference Valcore Manufacturing Llc |
NSN 5985-01-294-3712 is a Flange,waveguide, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-294-3712 has 4 manufacturer part numbers on file: 5543711 (Naval Sea Systems Command), 5543711 (Raytheon Company), 5543711 (Center Tool Co. Dba Center Tool & Machine Co), 5543711 (Jcm Engineering Corp Dba Jcm Engineering Corp Div Jcm Engineering Corporation).
Key specifications for 5543711: FSC Application Data: RADAR SYSTEMS; Flange Inside Height: 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.092 INCHES MINIMUM AND 0.098 INCHES MAXIMUM SINGLE FLANGE FIRST CONNECTION FACILITY IN; Flange Inside Width: 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM SINGLE FLANGE IN. 16 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 5985-01-294-3712 has DEMIL Code Q. 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.