The Waveguide Assembly, cataloged under National Stock Number 5985-00-072-9612, 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 21 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-072-9612 |
| Primary Part Number | 2269840 |
| 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 | 1.002 INCHES MINIMUM AND 1.003 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 12.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Connecting Hole Diameter | 0.203 INCHES MINIMUM AND 0.209 INCHES MAXIMUM ALL FLANGES SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 2.002 INCHES MINIMUM AND 2.005 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Length | 2.227 FEET MINIMUM AND 2.230 FEET MAXIMUM FT |
| Waveguide Outside Height | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Waveguide Outside Width | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN |
| Flange Depth | 0.281 INCHES NOMINAL ALL FLANGES IN |
| Surface Treatment | ENAMEL SINGLE TUBING SEGMENT OUTSIDE SURFACES |
| Waveguide Inside Height | 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT |
| Material | ALUMINUM ALLOY ALL FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Outside Diameter | 3.625 INCHES NOMINAL ALL FLANGES IN |
| 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 |
|---|---|
| 1005664 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 2269840 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 269840 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2269840REVB | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5985-00-072-9612 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 5985-00-072-9612 has 3 manufacturer part numbers on file: 1005664 (Lockheed Martin Corporation Div Rms - Mitchel Field), 2269840 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 269840 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
2 possible matches (shared part number, not a government interchangeability claim): 7025-01-602-0191, 4730-01-718-5024. Verify interchangeability with system specifications before substitution.
Key specifications for 2269840: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 1.002 INCHES MINIMUM AND 1.003 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2; Style Designator: STRAIGHT TYPE. 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 5985-00-072-9612 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.