The Waveguide Assembly, cataloged under National Stock Number 5985-01-020-7874, 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 Microwave Engineering Corporation. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-020-7874 |
| Primary Part Number | TS41116 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.50 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 1.400 INCHES NOMINAL IN |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.279 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.362 INCHES MINIMUM AND 0.364 INCHES MAXIMUM FIRST FLANGE IN |
| Waveguide Outside Height | 0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.358 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN |
| Flange Depth | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM FIRST FLANGE IN |
| Insertion Loss in Decibels | 0.50 |
| Surface Treatment | SILVER ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES |
| Precious Material and Location | INTERNAL SURFACES SILVER |
| Waveguide Inside Height | 0.139 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE FIRST FLANGE |
| Waveguide Longer Offset Distance | 2.430 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 |
| Part Number | Manufacturer |
|---|---|
| TS41116 PRIMARY | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 258667 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-01-020-7874 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-020-7874 has 1 manufacturer part number on file: TS41116 (Microwave Engineering Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5910-01-094-2674. Verify interchangeability with system specifications before substitution.
Key specifications for TS41116: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM FIRST FLANGE 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 5985-01-020-7874 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.