The Waveguide Assembly, cataloged under National Stock Number 5985-01-368-8487, 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 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-368-8487 |
| Primary Part Number | 5946172-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Quantity | 2 |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Operating Pressure | 15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Center to Center Distance | 1.375 INCHES NOMINAL IN |
| Flange Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.164 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Depth | 0.324 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM FIRST FLANGE IN |
| Thread Class | 2B FIRST FLANGE ALL CONNECTION FACILITIES |
| Material | ALUMINUM ALLOY FIRST FLANGE |
| Material | ALUMINUM ALLOY SECOND FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE FIRST FLANGE |
| Flange Style | COVER TYPE SECOND FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-368-8487 is a Waveguide Assembly, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-368-8487 has 2 manufacturer part numbers on file: 5946172-1 (Naval Sea Systems Command), 1522927-1 (Lockheed Martin Corporation Div Rms).
Key specifications for 5946172-1: Flange Inside Height: 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM FIRST FLANGE IN; Flange Inside Height: 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM SECOND FLANGE IN; Flange Quantity: 2; Style Designator: OFFSET BEND TYPE. 26 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.