The Waveguide Assembly, cataloged under National Stock Number 5985-01-271-7249, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-271-7249 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | RADAR EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Height | 0.222 INCHES MINIMUM SECOND FLANGE IN |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.08 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Flange Inside Diameter | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM FIRST FLANGE IN |
| Waveguide Inside Width | 0.279 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 30.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Height | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Connecting Hole Diameter | 0.116 INCHES MINIMUM SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Width | 0.362 INCHES MINIMUM SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY |
| Waveguide Length | 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.112 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.358 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN |
| Flange Depth | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Depth | 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM SECOND FLANGE IN |
| Insertion Loss in Decibels | 0.20 |
| Surface Treatment | SILVER AND PRIMER AND ENAMEL SINGLE TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 17-16159-1 | 5/9 Secondary reference Alpha Industries Inc Advanced Products Div |
| 17-16159-1 | 3/2 Design control — primary reference U.S. Government activity |
| 17-16159-1 | C/1 Advisory reference — outside the item-of-supply concept Textron Systems Corporation Dba Textron Systems Corp |
NSN 5985-01-271-7249 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-271-7249: FSC Application Data: RADAR EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM FIRST FLANGE IN; Flange Inside Height: 0.222 INCHES MINIMUM SECOND FLANGE IN. 29 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.