The Waveguide Assembly, cataloged under National Stock Number 5985-01-150-1641, 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 28 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-150-1641 |
| Primary Part Number | TFT-78051 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.872 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.872 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 2.500 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.257 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.872 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Length | 11.250 INCHES NOMINAL IN |
| Waveguide Outside Height | 2.500 INCHES NOMINAL IN |
| Waveguide Outside Width | 3.500 INCHES NOMINAL IN |
| Flange Depth | 0.690 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 3.500 INCHES NOMINAL ALL FLANGES IN |
| Tubing Twist Type | TWISTABLE SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.05 |
| Surface Treatment | OXIDE FILM ALL FLANGE ALL SURFACES |
| Surface Treatment | SILVER ALL COUPLING ALL SURFACES |
| Precious Material and Location | COUPLING SURFACES SILVER |
| Waveguide Inside Height | 0.872 INCHES NOMINAL IN |
| Material | ALUMINUM ALL FLANGE |
| Material | RUBBER SILICONE SINGLE TUBING JACKET |
| Material | COPPER ALLOY ALL COUPLING |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) ALL FLANGES 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 |
| Part Number | Manufacturer |
|---|---|
| TFT-78051 PRIMARY | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 122722 | C/1 Advisory reference — outside the item-of-supply concept Frontgrade Technologies Inc. |
| 5985PL1264033 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 122722 | 5/9 Secondary reference U.S. Government activity |
| TFT-78051 | C/1 Advisory reference — outside the item-of-supply concept Ward Leonard Ct Llc |
| 7606-8195-1 | 7/9 Vendor item drawing reference Drs Icas, Llc |
NSN 5985-01-150-1641 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-150-1641 has 1 manufacturer part number on file: TFT-78051 (Microwave Engineering Corporation).
Key specifications for TFT-78051: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.872 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Precious Material: SILVER. 28 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 5985-01-150-1641 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.