The Plate,mounting,antenna Coupler, cataloged under National Stock Number 5985-01-446-1078, 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 Div Rotary and Mission Systems. Government technical data includes 7 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 | 5985-01-446-1078 |
| Primary Part Number | 201A593-1 |
| Item Name | Plate,mounting,antenna Coupler |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 |
| Mounting Hole Diameter | 0.096 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN |
| Basic Shape Style | SQUARE |
| Distance Between Mounting Facility Centers | 0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Surface Treatment | PAINT |
| Material | ALUMINUM ALLOY |
| Mounting Hole Type | PLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 201A593-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 5985-01-446-1078 is a Plate,mounting,antenna Coupler, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-446-1078 has 1 manufacturer part number on file: 201A593-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 201A593-1: Mounting Facility Quantity: 2; Mounting Hole Diameter: 0.096 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN; Overall Length: 1.000 INCHES NOMINAL IN; Overall Width: 0.500 INCHES NOMINAL IN. 7 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 5985-01-446-1078 has DEMIL Code Q. 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.