The Waveguide Assembly, cataloged under National Stock Number 5985-01-198-1838, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-198-1838 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Waveguide First Leg Length | 4.130 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 1.280 INCHES NOMINAL IN |
| Style Designator | FOUR BEND TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Waveguide Fourth Leg Length | 1.020 INCHES NOMINAL IN |
| Waveguide Fifth Leg Length | 7.790 INCHES NOMINAL IN |
| Flange Style | COVER TYPE FIRST FLANGE |
| Flange Style | COVER TYPE SECOND FLANGE |
| Waveguide Third Leg Length | 1.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2676534-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-198-1838 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-198-1838: Flange Quantity: 2; Waveguide First Leg Length: 4.130 INCHES NOMINAL IN; Waveguide Second Leg Length: 1.280 INCHES NOMINAL IN; Style Designator: FOUR BEND TYPE. 10 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 5985-01-198-1838 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.