The Waveguide Assembly, cataloged under National Stock Number 5985-01-272-3443, 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 Omega Laboratories Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-272-3443 |
| Primary Part Number | 17-19183-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Omega Laboratories Inc |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Height | 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Quantity | 2 |
| Precious Material | RHODIUM AND SILVER |
| Voltage Standing Wave Ratio | 1.07 |
| Waveguide First Leg Length | 0.495 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 0.695 INCHES NOMINAL IN |
| Style Designator | THREE BEND TYPE |
| Flexibility | RIGID ALL 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 |
| 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 AND 0.118 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Width | 0.362 INCHES MINIMUM AND 0.364 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.112 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Fourth Leg Length | 2.440 INCHES NOMINAL 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 | ENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| 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 |
|---|---|
| 17-19183-1 | Omega Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 17-19183-1 | 3/9 Design control — primary reference U.S. Government activity |
| 17-19183-1 | C/1 Advisory reference — outside the item-of-supply concept Textron Systems Corporation Dba Textron Systems Corp |
NSN 5985-01-272-3443 is a Waveguide Assembly, manufactured by Omega Laboratories Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-272-3443 has 1 manufacturer part number on file: 17-19183-1 (Omega Laboratories Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-499-0947. Verify interchangeability with system specifications before substitution.
Key specifications for 17-19183-1: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM FIRST FLANGE IN; Flange Inside Height: 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM SECOND FLANGE IN. 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 5985-01-272-3443 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.