The Plate,mounting, cataloged under National Stock Number 5340-01-146-1378, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 14 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 | 5340-01-146-1378 |
| Primary Part Number | 12252529 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Hole Quantity | 14 |
| Aperture Type | COUNTERBORED |
| Material Document and Classification | ASTM A366 ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 4.000 INCHES NOMINAL ALL HOLES IN |
| Shape | SPECIAL |
| Aperture Width | 4.000 INCHES NOMINAL IN |
| Aperture Diameter | 4.000 INCHES NOMINAL IN |
| Aperture Corner Radius | 3.500 INCHES NOMINAL IN |
| Features Provided | APERTURE |
| Aperture Length | 4.000 INCHES NOMINAL IN |
| Material | STEEL COMP 1009 |
| Thickness | 0.119 INCHES NOMINAL0.119 INCHES NOMINAL IN |
| Mounting Hole Type | THREADED |
| 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 |
|---|---|
| 12252529 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5340-01-146-1378 is a Plate,mounting, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-146-1378 has 1 manufacturer part number on file: 12252529 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12252529: Mounting Hole Quantity: 14; Aperture Type: COUNTERBORED; Material Document and Classification: ASTM A366 ASSN STD SINGLE MATERIAL RESPONSE; Mounting Hole Diameter: 4.000 INCHES NOMINAL ALL HOLES IN. 14 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.