The Switch,waveguide, cataloged under National Stock Number 5985-00-570-0079, 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 Lockheed Martin Corporation Dba Lockheed Martin Government. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-570-0079 |
| Primary Part Number | 2534640 |
| Item Name | Switch,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Government |
| Status | ACTIVE |
| Waveguide Flange Type | COVER |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) |
| Terminal Type and Quantity | 1 RECEPTACLE, COAXIAL |
| 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 |
|---|---|
| 2534640 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Government (USA) |
| AMC ST901 PRIMARY | Atlantic Microwave Corporation Div Cobham Electronic Systems (USA) |
| 2534640 10001 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| MA8318-1X4 | 5/9 Secondary reference U.S. Government activity |
| 2534640 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5985-00-570-0079 is a Switch,waveguide, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Government, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-570-0079 has 3 manufacturer part numbers on file: 2534640 (Lockheed Martin Corporation Dba Lockheed Martin Government), AMC ST901 (Atlantic Microwave Corporation Div Cobham Electronic Systems), 2534640 10001 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
Key specifications for 2534640: Waveguide Flange Type: COVER; Overall Height: 2.320 INCHES MAXIMUM IN; Overall Length: 5.985 INCHES MINIMUM AND 6.015 INCHES MAXIMUM IN; Overall Width: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN. 4 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 5985-00-570-0079 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.