The Plate,mounting, cataloged under National Stock Number 5340-01-394-2430, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Raytheon E-Systems, Inc. Government technical data includes 11 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-394-2430 |
| Primary Part Number | 90-21578-001 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Raytheon E-Systems, Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 12 |
| Length | 11.880 INCHES NOMINAL11.880 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.272 INCHES NOMINAL ALL HOLES IN |
| Shape | SPECIAL |
| Aperture Diameter | 3.390 INCHES NOMINAL IN |
| Features Provided | APERTURE |
| Width | 11.880 INCHES NOMINAL11.880 INCHES NOMINAL IN |
| Material | GLASS FIBER |
| Thickness | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Mounting Hole Type | UNTHREADED |
| Aperture Shape | ROUND |
| 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 |
|---|---|
| 90-21578-001 PRIMARY | Raytheon E-Systems, Inc (USA) |
NSN 5340-01-394-2430 is a Plate,mounting, manufactured by Raytheon E-Systems, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-394-2430 has 1 manufacturer part number on file: 90-21578-001 (Raytheon E-Systems, Inc).
Key specifications for 90-21578-001: Mounting Hole Quantity: 12; Length: 11.880 INCHES NOMINAL11.880 INCHES NOMINAL IN; Mounting Hole Diameter: 0.272 INCHES NOMINAL ALL HOLES IN; Shape: SPECIAL. 11 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.