The Waveguide Assembly, cataloged under National Stock Number 5985-01-182-6556, 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 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-182-6556 |
| Primary Part Number | TDFT14121 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Length | 13.940 INCHES MINIMUM AND 14.060 INCHES MAXIMUM 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 |
|---|---|
| LE413-0274-0051 | The Boeing Company Div Legacy Am&m (USA) |
| TDFT14121 PRIMARY | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| LE413-0274-0051 | 5/9 Secondary reference U.S. Government activity |
| LE413-0274-0051 | 5/9 Secondary reference Microtech Inc Dba Microtech Inc |
| LE413-0274-0051 | C/1 Advisory reference — outside the item-of-supply concept Frontgrade Technologies Inc. |
NSN 5985-01-182-6556 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-182-6556 has 2 manufacturer part numbers on file: LE413-0274-0051 (The Boeing Company Div Legacy Am&m), TDFT14121 (Microwave Engineering Corporation).
Key specifications for TDFT14121: Flange Quantity: 2; Style Designator: STRAIGHT TYPE; Flexibility: FLEXIBLE SINGLE TUBING SEGMENT; Waveguide Length: 13.940 INCHES MINIMUM AND 14.060 INCHES MAXIMUM IN. 4 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 5985-01-182-6556 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.