The Waveguide Assembly, cataloged under National Stock Number 5985-00-238-2017, 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 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-238-2017 |
| Primary Part Number | TL864-A-82N |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Tubing Wall Construction Style | CORRUGATED ALL TUBING SEGMENT |
| Flange Inside Height | 1.340 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Height | 1.340 INCHES NOMINAL SECOND FLANGE IN |
| Flange Quantity | 2 |
| Waveguide Outside Diameter | 5.310 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 2.840 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, ROUND |
| Flange Connecting Hole Diameter | 0.281 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 2.840 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Width | 2.840 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Length | 6.833 FEET NOMINAL FT |
| Nominal Thread Size | 0.250 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Depth | 0.750 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 1.250 INCHES NOMINAL FIRST FLANGE IN |
| Precious Material and Location | FLANGE SURFACE SILVER |
| Waveguide Inside Height | 1.340 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 20 SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Outside Diameter | 5.310 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Diameter | 5.310 INCHES NOMINAL SECOND FLANGE IN |
| Flange Style | CHOKE TYPE FIRST FLANGE |
| Flange Style | COVER 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 |
| Part Number | Manufacturer |
|---|---|
| TL864-A-82N | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| TL86-4-82N | 5/9 Secondary reference Microwave Engineering Corporation |
| 651620-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-238-2017 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-238-2017 has 1 manufacturer part number on file: TL864-A-82N (Microwave Engineering Corporation).
Key specifications for TL864-A-82N: Tubing Wall Construction Style: CORRUGATED ALL TUBING SEGMENT; Flange Inside Height: 1.340 INCHES NOMINAL FIRST FLANGE IN; Flange Inside Height: 1.340 INCHES NOMINAL SECOND FLANGE IN; Flange Quantity: 2. 27 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 5985-00-238-2017 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.