The Waveguide Assembly, cataloged under National Stock Number 5985-00-086-9062, 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 28 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-086-9062 |
| Primary Part Number | 2161052-1 |
| 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 | 0.510 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.50 |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.020 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.875 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.188 INCHES NOMINAL SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Center to Center Distance | 3.700 INCHES NOMINAL IN |
| Flange Inside Width | 1.020 INCHES NOMINAL ALL FLANGES IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES |
| Waveguide Length | 7.125 INCHES NOMINAL IN |
| Nominal Thread Size | 0.164 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 0.638 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.148 INCHES NOMINAL IN |
| Flange Outside Width | 1.875 INCHES NOMINAL ALL FLANGES IN |
| Surface Treatment | ANODIZE ALL TUBING SEGMENT AND FLANGE ALL SURFACES |
| Waveguide Inside Height | 0.510 INCHES NOMINAL IN |
| Thread Class | 2B FIRST FLANGE ALL CONNECTION FACILITIES |
| Thread Quantity Per Inch | 32 FIRST FLANGE ALL CONNECTION FACILITIES |
| Material | RUBBER SINGLE TUBING JACKET |
| Material | ALUMINUM ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE ALL FLANGES |
| 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 |
|---|---|
| 2161052-1 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| 106294 | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2161052-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 106294 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-086-9062 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 5985-00-086-9062 has 2 manufacturer part numbers on file: 2161052-1 (L3 Technologies, Inc. Div Communication Systems-East), 106294 (Frontgrade Technologies Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4920-00-682-4916. Verify interchangeability with system specifications before substitution.
Key specifications for 2161052-1: Tubing Wall Construction Style: CORRUGATED SINGLE TUBING SEGMENT; Flange Inside Height: 0.510 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.50. 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.
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.