The Waveguide Assembly, cataloged under National Stock Number 5985-01-519-4851, 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 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-519-4851 |
| Primary Part Number | TDS22115-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 0.506 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.35 |
| Waveguide First Leg Length | 6.190 INCHES MINIMUM AND 6.310 INCHES MAXIMUM IN |
| Waveguide Second Leg Length | 2.690 INCHES MINIMUM AND 2.810 INCHES MAXIMUM IN |
| Style Designator | THREE BEND TYPE |
| Flexibility | FLEXIBLE ALL TUBING SEGMENT |
| Waveguide Inside Width | 1.090 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.390 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.144 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.090 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Fourth Leg Length | 2.940 INCHES MINIMUM AND 3.060 INCHES MAXIMUM IN |
| Waveguide Outside Height | 0.814 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.214 INCHES NOMINAL IN |
| Flange Depth | 0.250 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.968 INCHES NOMINAL ALL FLANGES IN |
| Insertion Loss in Decibels | 0.40 |
| Waveguide Inside Height | 0.630 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CONTACT, SINGLE RIDGE TYPE ALL FLANGES |
| Waveguide Third Leg Length | 2.940 INCHES MINIMUM AND 3.060 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 |
|---|---|
| LE413-0247-0003 | Frontgrade Technologies Inc. (USA) |
| LE413-0247-0003 | Microtech Inc Dba Microtech Inc (USA) |
| TDS22115-1 PRIMARY | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| LE413-0247-0003 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 5985-01-519-4851 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-519-4851 has 3 manufacturer part numbers on file: LE413-0247-0003 (Frontgrade Technologies Inc.), LE413-0247-0003 (Microtech Inc Dba Microtech Inc), TDS22115-1 (Microwave Engineering Corporation).
Key specifications for TDS22115-1: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 0.506 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.35. 24 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 5985-01-519-4851 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.