The Waveguide Assembly, cataloged under National Stock Number 5985-01-389-7852, 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 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-389-7852 |
| Primary Part Number | TDRFT10022 |
| 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 Quantity | 2 |
| Voltage Standing Wave Ratio | 1.30 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 3.630 INCHES MINIMUM AND 3.750 INCHES MAXIMUM IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR |
| Flange Connecting Hole Diameter | 0.0931 INCHES MINIMUM AND 0.0933 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN |
| Tubing Twist Type | STRAIGHT TWIST SINGLE TUBING SEGMENT |
| Tubing Twist Angle in Deg | 90.0 SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.35 |
| Material | ALUMINUM SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CONTACT TYPE SINGLE FLANGE |
| Waveguide Longer Offset Distance | 9.690 INCHES MINIMUM AND 9.810 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LE413-0404-0005 | Frontgrade Technologies Inc. (USA) |
| TDRFT10022 PRIMARY | Microwave Engineering Corporation (USA) |
| LE413-0404-0005 | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| LE413-0404-0005 | 5/9 Secondary reference U.S. Government activity |
| LE413-0404-0005 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 5985-01-389-7852 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-389-7852 has 3 manufacturer part numbers on file: LE413-0404-0005 (Frontgrade Technologies Inc.), TDRFT10022 (Microwave Engineering Corporation), LE413-0404-0005 (Microtech Inc Dba Microtech Inc).
Key specifications for TDRFT10022: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.30; Style Designator: BEND TYPE. 15 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.
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.