The Plate,mounting, cataloged under National Stock Number 5340-01-478-3299, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-478-3299 |
| Primary Part Number | 3263040 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Length | 9.510 INCHES NOMINAL9.510 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.531 INCHES NOMINAL FIRST HOLE IN |
| Mounting Hole Diameter | 0.781 INCHES NOMINAL ALL HOLES IN |
| Shape | RHOMBOIDAL |
| Thickness | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| Mounting Hole Type | UNTHREADED |
| 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 |
|---|---|
| 3263040 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 3263040 | 5/9 Secondary reference Oshkosh Corp |
NSN 5340-01-478-3299 is a Plate,mounting, manufactured by Oshkosh Defense Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-478-3299 has 1 manufacturer part number on file: 3263040 (Oshkosh Defense Llc).
Key specifications for 3263040: Mounting Hole Quantity: 4; Length: 9.510 INCHES NOMINAL9.510 INCHES NOMINAL IN; Mounting Hole Diameter: 0.531 INCHES NOMINAL FIRST HOLE IN; Mounting Hole Diameter: 0.781 INCHES NOMINAL ALL HOLES 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.
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.