The Waveguide, cataloged under National Stock Number 5985-01-385-9440, 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 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-385-9440 |
| Primary Part Number | 697759-39 |
| Item Name | Waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Omega Laboratories Inc |
| Status | ACTIVE |
| FSC Application Data | RADAR SYSTEM, C130 AIRCRAFT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Waveguide Height | 4.175 INCHES NOMINAL IN |
| Bandwidth Ratio | 1.5 |
| Waveguide Leg Length | 2.150 INCHES NOMINAL IN |
| Bend Angle in Deg | 180.0 SINGLE BEND E-PLANE |
| Style Designator | U-BEND TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.892 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Waveguide Center to Center Distance | 4.120 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.503 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.004 INCHES NOMINAL IN |
| Surface Treatment | PAINT SINGLE TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Surface Treatment | CHROMATE SINGLE TUBING SEGMENT AND FLANGE INSIDE SURFACES |
| Waveguide Inside Height | 0.385 INCHES NOMINAL IN |
| Waveguide Longer Leg Length | 9.300 INCHES NOMINAL IN |
| Material | ALUMINUM SINGLE TUBING SEGMENT AND FLANGE |
| 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 |
|---|---|
| 697759-39 PRIMARY | Omega Laboratories Inc (USA) |
NSN 5985-01-385-9440 is a Waveguide, manufactured by Omega Laboratories Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-385-9440 has 1 manufacturer part number on file: 697759-39 (Omega Laboratories Inc).
Key specifications for 697759-39: FSC Application Data: RADAR SYSTEM, C130 AIRCRAFT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Waveguide Height: 4.175 INCHES NOMINAL IN; Bandwidth Ratio: 1.5. 18 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 5985-01-385-9440 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.