The Plate,mounting, cataloged under National Stock Number 5340-01-506-0473, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-506-0473 |
| Primary Part Number | 3590AS589-1 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Aperture Type | RECESSED |
| Recess Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Length | 2.560 INCHES NOMINAL2.560 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625, TY 2, CL 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.126 INCHES MINIMUM AND 0.133 INCHES MAXIMUM ALL HOLES IN |
| Shape | SQUARE |
| Aperture Width | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Recess Depth | 0.060 INCHES NOMINAL0.060 INCHES NOMINAL IN |
| Aperture Corner Radius | 0.120 INCHES NOMINAL IN |
| Features Provided | APERTURE |
| Aperture Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Recess Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE |
| Width | 2.560 INCHES NOMINAL2.560 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Thickness | 0.130 INCHES NOMINAL0.130 INCHES NOMINAL IN |
| Mounting Hole Type | UNTHREADED |
| Aperture Shape | OVAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 3590AS589-1 PRIMARY | Breeze-Eastern Llc (USA) |
| Reference | Meaning |
|---|---|
| 3590AS589 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5340-01-506-0473 is a Plate,mounting, manufactured by Breeze-Eastern Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-506-0473 has 1 manufacturer part number on file: 3590AS589-1 (Breeze-Eastern Llc).
Key specifications for 3590AS589-1: Mounting Hole Quantity: 4; Aperture Type: RECESSED; Recess Width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Length: 2.560 INCHES NOMINAL2.560 INCHES NOMINAL IN. 20 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.
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.