The Waveguide Assembly, cataloged under National Stock Number 5985-01-113-4991, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-113-4991 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS 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 | 1.05 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.372 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.940 INCHES NOMINAL SECOND FLANGE IN |
| Flange Connecting Hole Diameter | 0.198 INCHES NOMINAL FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Flange Connecting Hole Diameter | 0.203 INCHES NOMINAL SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.372 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 1.372 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Length | 4.680 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.750 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.500 INCHES NOMINAL IN |
| Flange Depth | 0.500 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 0.500 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 2.690 INCHES NOMINAL SECOND FLANGE IN |
| Surface Treatment | PAINT SINGLE TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 0.622 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY ALL FLANGE |
| Material | ALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES |
| Flange Connecting Facility and Quantity | 6 UNTHREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Outside Diameter | 3.125 INCHES NOMINAL FIRST FLANGE IN |
| Flange Style | CHOKE TYPE FIRST FLANGE |
| Flange Style | CONTACT TYPE SECOND FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SM-D-950107 | 3/2 Design control — primary reference U.S. Government activity |
| SM-D-950107 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-01-113-4991 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-113-4991: Tubing Wall Construction Style: SEAMLESS 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. 29 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 5985-01-113-4991 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.