The Waveguide Assembly, cataloged under National Stock Number 5985-00-239-1217, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-239-1217 |
| Primary Part Number | 2169730-501 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Tubing Wall Construction Style | CORRUGATED SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.507 INCHES MINIMUM AND 0.513 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Height | 0.507 INCHES MINIMUM AND 0.513 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Quantity | 2 |
| Precious Material | RHODIUM AND SILVER |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Flange Inside Diameter | 1.475 INCHES MINIMUM AND 1.495 INCHES MAXIMUM FIRST FLANGE IN |
| Waveguide Inside Width | 1.017 INCHES MINIMUM AND 1.023 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 12.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.672 INCHES MINIMUM AND 1.702 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Height | 1.672 INCHES MINIMUM AND 1.702 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.017 INCHES MINIMUM AND 1.023 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Width | 1.017 INCHES MINIMUM AND 1.023 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND SECOND FLANGE ALL CONNECTION FACILITIES |
| Waveguide Length | 6.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.164 INCHES SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 0.633 INCHES MINIMUM AND 0.643 INCHES MAXIMUM IN |
| Waveguide Outside Width | 1.143 INCHES MINIMUM AND 1.153 INCHES MAXIMUM IN |
| Flange Depth | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Depth | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Width | 1.672 INCHES MINIMUM AND 1.702 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 1.672 INCHES MINIMUM AND 1.702 INCHES MAXIMUM SECOND FLANGE IN |
| Insertion Loss in Decibels | 0.30 |
| Surface Treatment | ENAMEL AND RUBBER ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Surface Treatment | RHODIUM AND SILVER ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES |
| Precious Material and Location | INTERNAL SURFACES AND FLANGE FACE SURFACES RHODIUM AND INTERNAL SURFACES AND FLANGE FACE SURFACES SILVER |
| 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 |
|---|---|
| 2169730-501 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| 2169730-501 | 3/9 Design control — primary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5985-00-239-1217 is a Waveguide Assembly, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-239-1217 has 1 manufacturer part number on file: 2169730-501 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for 2169730-501: Tubing Wall Construction Style: CORRUGATED SINGLE TUBING SEGMENT; Flange Inside Height: 0.507 INCHES MINIMUM AND 0.513 INCHES MAXIMUM FIRST FLANGE IN; Flange Inside Height: 0.507 INCHES MINIMUM AND 0.513 INCHES MAXIMUM SECOND FLANGE IN; Flange Quantity: 2. 30 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.