The Waveguide Assembly, cataloged under National Stock Number 5985-01-047-4815, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 29 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 | 5985-01-047-4815 |
| Primary Part Number | 2891339 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.399 INCHES MINIMUM AND 0.401 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Height | 0.399 INCHES MINIMUM AND 0.401 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Quantity | 2 |
| Bend Angle in Deg | 90.0 SINGLE BEND E-PLANE |
| Style Designator | ELBOW TYPE |
| Waveguide Offset Distance | 2.000 INCHES NOMINAL IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.900 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 5.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.590 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Height | 1.590 INCHES NOMINAL SECOND FLANGE IN |
| Flange Connecting Hole Diameter | 0.177 INCHES NOMINAL SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 0.899 INCHES MINIMUM AND 0.901 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Width | 0.899 INCHES MINIMUM AND 0.901 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.164 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 0.800 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.300 INCHES NOMINAL IN |
| Flange Depth | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Depth | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Width | 2.090 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 2.090 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Inside Height | 0.400 INCHES NOMINAL IN |
| Thread Class | 2B FIRST FLANGE SINGLE CONNECTION FACILITY |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| 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 |
|---|---|
| 2891339 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5985-01-047-4815 is a Waveguide Assembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-047-4815 has 1 manufacturer part number on file: 2891339 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2891339: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.399 INCHES MINIMUM AND 0.401 INCHES MAXIMUM FIRST FLANGE IN; Flange Inside Height: 0.399 INCHES MINIMUM AND 0.401 INCHES MAXIMUM SECOND FLANGE IN; Flange Quantity: 2. 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.
NSN 5985-01-047-4815 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.