The Waveguide Assembly, cataloged under National Stock Number 5985-01-503-1523, 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 Naval Air Warfare Ctr Aircraft Div. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-503-1523 |
| Primary Part Number | 43140-00458-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Air Warfare Ctr Aircraft Div |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 0.627 INCHES MINIMUM AND 0.633 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Height | 3.000 INCHES NOMINAL IN |
| Flange Quantity | 2 |
| Style Designator | DOUBLE BEND TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Waveguide Inside Width | 1.122 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN |
| Waveguide Center to Center Distance | 3.260 INCHES NOMINAL IN |
| Flange Inside Width | 1.252 INCHES MINIMUM AND 1.258 INCHES MAXIMUM ALL FLANGES IN |
| Specified Frequency | 7.05 GIGAHERTZ MINIMUM AND 10.00 GIGAHERTZ MAXIMUM |
| Waveguide Outside Height | 0.625 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.125 INCHES NOMINAL IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Inside Height | 0.497 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE ALL FLANGES |
| 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 |
|---|---|
| 43140-00458-1 PRIMARY | Naval Air Warfare Ctr Aircraft Div (USA) |
| Reference | Meaning |
|---|---|
| 43140-00458 | D/9 Drawing number reference only Naval Air Warfare Ctr Aircraft Div |
NSN 5985-01-503-1523 is a Waveguide Assembly, manufactured by Naval Air Warfare Ctr Aircraft Div, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-503-1523 has 1 manufacturer part number on file: 43140-00458-1 (Naval Air Warfare Ctr Aircraft Div).
Key specifications for 43140-00458-1: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 0.627 INCHES MINIMUM AND 0.633 INCHES MAXIMUM ALL FLANGES IN; Waveguide Height: 3.000 INCHES NOMINAL IN; Flange Quantity: 2. 21 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 5985-01-503-1523 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.