The Waveguide Assembly, cataloged under National Stock Number 5985-00-244-9215, 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 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-244-9215 |
| Primary Part Number | 2187953-2 |
| 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 | CONVOLUTE SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.510 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Height | 0.510 INCHES NOMINAL FIRST FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.08 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.020 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 20.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.688 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 1.688 INCHES NOMINAL FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.169 INCHES NOMINAL SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 1.020 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 1.020 INCHES NOMINAL SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY |
| Waveguide Length | 1.167 FEET NOMINAL FT |
| Nominal Thread Size | 0.164 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 0.638 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.148 INCHES NOMINAL IN |
| Flange Depth | 0.500 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 0.500 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 1.688 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.688 INCHES NOMINAL FIRST FLANGE IN |
| Insertion Loss in Decibels | 0.06 |
| Waveguide Inside Height | 0.510 INCHES NOMINAL IN |
| Thread Class | 2B FIRST FLANGE SINGLE CONNECTION FACILITY |
| Thread Quantity Per Inch | 32 FIRST FLANGE SINGLE CONNECTION FACILITY |
| Material | RUBBER ALL TUBING JACKET |
| Material | BERYLLIUM ALL TUBING SEGMENT |
| 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 |
|---|---|
| 2187953-2 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| TS665009-14 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2187953-2 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5985-00-244-9215 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 5985-00-244-9215 has 2 manufacturer part numbers on file: 2187953-2 (L3 Technologies, Inc. Div Communication Systems-East), TS665009-14 (Microwave Engineering Corporation).
Key specifications for 2187953-2: Tubing Wall Construction Style: CONVOLUTE SINGLE TUBING SEGMENT; Flange Inside Height: 0.510 INCHES NOMINAL SECOND FLANGE IN; Flange Inside Height: 0.510 INCHES NOMINAL FIRST 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.
NSN 5985-00-244-9215 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.