The Waveguide Assembly, cataloged under National Stock Number 5985-01-211-8853, 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 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-211-8853 |
| Primary Part Number | TDRS22012 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.18 |
| Waveguide First Leg Length | 4.000 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 4.000 INCHES NOMINAL IN |
| Style Designator | THREE BEND TYPE |
| Flexibility | FLEXIBLE SECOND TUBING SEGMENT |
| Flexibility | RIGID FIRST TUBING SEGMENT |
| Waveguide Fourth Leg Length | 2.900 INCHES NOMINAL IN |
| Insertion Loss in Decibels | 0.45 |
| Waveguide Third Leg Length | 63.500 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 |
| Part Number | Manufacturer |
|---|---|
| LE413-0228-0025 | The Boeing Company Div Legacy Am&m (USA) |
| TDRS22012 PRIMARY | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| LE413-0228-0025 | 5/9 Secondary reference Microtech Inc Dba Microtech Inc |
| LE413-0228-0025 | C/1 Advisory reference — outside the item-of-supply concept Frontgrade Technologies Inc. |
| LE413-0228-0025 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-211-8853 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-211-8853 has 2 manufacturer part numbers on file: LE413-0228-0025 (The Boeing Company Div Legacy Am&m), TDRS22012 (Microwave Engineering Corporation).
Key specifications for TDRS22012: Flange Quantity: 2; Voltage Standing Wave Ratio: 1.18; Waveguide First Leg Length: 4.000 INCHES NOMINAL IN; Waveguide Second Leg Length: 4.000 INCHES NOMINAL IN. 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 5985-01-211-8853 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.