The Waveguide Assembly, cataloged under National Stock Number 5985-01-030-9975, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-030-9975 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | BELLOWS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.622 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Height | 0.622 INCHES NOMINAL FIRST FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.15 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE ALL TUBING SEGMENT |
| Waveguide Inside Width | 1.372 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Connecting Hole Diameter | 0.219 INCHES NOMINAL ALL FLANGES SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 1.372 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 1.372 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Length | 12.060 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.785 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.599 INCHES NOMINAL IN |
| Flange Depth | 0.620 INCHES NOMINAL FIRST FLANGE IN |
| Flange Depth | 0.620 INCHES NOMINAL SECOND FLANGE IN |
| Insertion Loss in Decibels | 0.12 |
| Surface Treatment | ENAMEL ALL FLANGE OUTSIDE SURFACES |
| Surface Treatment | SILVER AND CADMIUM ALL FLANGE INSIDE SURFACES |
| Waveguide Inside Height | 0.622 INCHES NOMINAL IN |
| Material | COPPER ALLOY ALL FLANGE |
| Flange Connecting Facility and Quantity | 6 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Outside Diameter | 3.120 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Diameter | 3.120 INCHES NOMINAL SECOND FLANGE IN |
| Flange Style | COVER TYPE FIRST FLANGE |
| Flange Style | COVER TYPE SECOND FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| SM-D-719308-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-030-9975 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-030-9975: Tubing Wall Construction Style: BELLOWS SINGLE TUBING SEGMENT; Flange Inside Height: 0.622 INCHES NOMINAL SECOND FLANGE IN; Flange Inside Height: 0.622 INCHES NOMINAL FIRST FLANGE IN; Flange Quantity: 2. 27 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-01-030-9975 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.