The Waveguide Assembly, cataloged under National Stock Number 5985-00-979-9154, 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 Textron Systems Corporation Dba Textron Systems Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-979-9154 |
| Primary Part Number | 17-03676-3 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Textron Systems Corporation Dba Textron Systems Corp |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENTSEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.140 INCHES NOMINAL FIRST FLANGE0.140 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Height | 0.222 INCHES NOMINAL SECOND FLANGE0.222 INCHES NOMINAL SECOND FLANGE IN |
| Flange Quantity | 22 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.071.07 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 2.880 INCHES NOMINAL IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Flange Inside Diameter | 0.500 INCHES NOMINAL FIRST FLANGE0.500 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Inside Width | 0.280 INCHES NOMINAL0.280 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULARINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 0.750 INCHES NOMINAL FIRST FLANGE0.750 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Height | 0.750 INCHES NOMINAL SECOND FLANGE0.750 INCHES NOMINAL SECOND FLANGE IN |
| Flange Connecting Hole Diameter | 0.116 INCHES NOMINAL SECOND FLANGE ALL CONNECTION FACILITIES0.116 INCHES NOMINAL SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.280 INCHES NOMINAL FIRST FLANGE0.280 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 0.362 INCHES NOMINAL SECOND FLANGE0.362 INCHES NOMINAL SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIESRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.112 INCHES FIRST FLANGE ALL CONNECTION FACILITIES0.112 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 0.220 INCHES NOMINAL0.220 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.360 INCHES NOMINAL0.360 INCHES NOMINAL IN |
| Flange Depth | 0.187 INCHES NOMINAL SECOND FLANGE0.187 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 0.210 INCHES NOMINAL FIRST FLANGE0.210 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 0.750 INCHES NOMINAL FIRST FLANGE0.750 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 0.750 INCHES NOMINAL SECOND FLANGE0.750 INCHES NOMINAL SECOND FLANGE IN |
| Insertion Loss in Decibels | 0.200.20 |
| Surface Treatment | ENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Precious Material and Location | FLANGE FACES SILVER |
| Waveguide Inside Height | 0.140 INCHES NOMINAL0.140 INCHES NOMINAL IN |
| Thread Class | 2B FIRST FLANGE ALL CONNECTION FACILITIES2B FIRST FLANGE ALL CONNECTION FACILITIES |
| 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 |
|---|---|
| 17-03676-3 PRIMARY | Textron Systems Corporation Dba Textron Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 17-03676-3 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-979-9154 is a Waveguide Assembly, manufactured by Textron Systems Corporation Dba Textron Systems Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-979-9154 has 1 manufacturer part number on file: 17-03676-3 (Textron Systems Corporation Dba Textron Systems Corp).
Key specifications for 17-03676-3: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENTSEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.140 INCHES NOMINAL FIRST FLANGE0.140 INCHES NOMINAL FIRST FLANGE IN; Flange Inside Height: 0.222 INCHES NOMINAL SECOND FLANGE0.222 INCHES NOMINAL SECOND FLANGE IN; Flange Quantity: 22. 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.