The Waveguide Assembly, cataloged under National Stock Number 5985-01-317-6573, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-317-6573 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | RADAR EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Bend Angle in Deg | 90.0 SECOND BEND E-PLANE |
| Bend Angle in Deg | 45.0 FIRST BEND E-PLANE |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 20.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Inside Width | 1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM ALL FLANGES IN |
| Thread Direction | RIGHT-HAND ALL FLANGES SINGLE CONNECTION FACILITY |
| Waveguide Length | 20.370 INCHES MINIMUM AND 20.430 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.190 INCHES ALL FLANGES SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Waveguide Outside Width | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN |
| Flange Depth | 0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM ALL FLANGES IN |
| Surface Treatment | PRIMER ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Thread Class | 2B ALL FLANGES SINGLE CONNECTION FACILITY |
| Material | ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Outside Diameter | 3.610 INCHES MINIMUM AND 3.640 INCHES MAXIMUM ALL FLANGES IN |
| Thread Series Designator | UNF ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | CHOKE TYPE ALL FLANGES |
| 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 |
| Reference | Meaning |
|---|---|
| 654E7220-839 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-317-6573 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-317-6573: FSC Application Data: RADAR EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2. 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.
NSN 5985-01-317-6573 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.