The Waveguide Assembly, cataloged under National Stock Number 5985-01-503-1577, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-503-1577 |
| Primary Part Number | 43140-00460-1 |
| 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 Quantity | 2 |
| Waveguide First Leg Length | 2.000 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 2.940 INCHES NOMINAL IN |
| Style Designator | THREE BEND TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Waveguide Fourth Leg Length | 2.940 INCHES NOMINAL IN |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE FIRST FLANGE |
| Flange Style | COVER TYPE SECOND FLANGE |
| Waveguide Third Leg Length | 4.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 43140-00460-1 PRIMARY | Naval Air Warfare Ctr Aircraft Div (USA) |
| Reference | Meaning |
|---|---|
| 43140-00460 | D/9 Drawing number reference only Naval Air Warfare Ctr Aircraft Div |
NSN 5985-01-503-1577 is a Waveguide Assembly, manufactured by Naval Air Warfare Ctr Aircraft Div, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-503-1577 has 1 manufacturer part number on file: 43140-00460-1 (Naval Air Warfare Ctr Aircraft Div).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-503-1578. Verify interchangeability with system specifications before substitution.
Key specifications for 43140-00460-1: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Quantity: 2; Waveguide First Leg Length: 2.000 INCHES NOMINAL IN; Waveguide Second Leg Length: 2.940 INCHES NOMINAL IN. 13 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 5985-01-503-1577 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.