The Waveguide Assembly, cataloged under National Stock Number 5985-01-082-3677, 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 29 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-082-3677 |
| Primary Part Number | TRL86054 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Flange Inside Height | 1.335 INCHES MINIMUM AND 1.345 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.15 |
| Style Designator | DOUBLE BEND TYPE |
| Flexibility | RIGID THIRD TUBING SEGMENT |
| Flexibility | FLEXIBLE SECOND TUBING SEGMENT |
| Flexibility | RIGID FIRST TUBING SEGMENT |
| Waveguide Inside Width | 2.840 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 2.980 INCHES MINIMUM AND 3.020 INCHES MAXIMUM ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.254 INCHES MINIMUM AND 0.260 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Flange Connecting Hole Diameter | 0.257 INCHES MINIMUM AND 0.262 INCHES MAXIMUM FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Center to Center Distance | 31.000 INCHES NOMINAL IN |
| Flange Inside Width | 2.835 INCHES MINIMUM AND 2.845 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Outside Height | 1.500 INCHES NOMINAL IN |
| Waveguide Outside Width | 3.000 INCHES NOMINAL IN |
| Flange Depth | 0.670 INCHES MINIMUM AND 0.710 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 4.480 INCHES MINIMUM AND 4.520 INCHES MAXIMUM ALL FLANGES IN |
| Surface Treatment | SILVER ALL TUBING SEGMENT OUTSIDE SURFACES |
| Precious Material and Location | TUBING EXTERNAL SURFACE SILVER |
| Waveguide Inside Height | 1.340 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY FIRST TUBING SEGMENT |
| Material | RUBBER CHLOROPRENE SINGLE TUBING JACKET |
| Material | ALUMINUM ALLOY THIRD TUBING SEGMENT |
| Material | ALUMINUM ALLOY ALL FLANGE |
| Flange Connecting Facility and Quantity | 2 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Style | CONTACT TYPE ALL FLANGES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-082-3677 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-082-3677 has 2 manufacturer part numbers on file: 390547 (Raytheon Company Div Rmd Strategic), TRL86054 (Microwave Engineering Corporation).
Key specifications for TRL86054: Flange Inside Height: 1.335 INCHES MINIMUM AND 1.345 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2; Precious Material: SILVER; Voltage Standing Wave Ratio: 1.15. 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 5985-01-082-3677 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.