The Plate,mounting, cataloged under National Stock Number 5340-01-142-4622, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-142-4622 |
| Primary Part Number | 13144431 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 8 |
| Aperture Type | COUNTERBORED |
| Length | 3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A |
| Raised Surface Height | 0.030 INCHES NOMINAL IN |
| Raised Surface Diameter | 1.950 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE IN |
| Mounting Hole Diameter | 0.124 INCHES MINIMUM AND 0.129 INCHES MAXIMUM THIRD HOLE IN |
| Mounting Hole Diameter | 0.188 INCHES MINIMUM AND 0.194 INCHES MAXIMUM SECOND HOLE IN |
| Mounting Hole Diameter | 0.212 INCHES MINIMUM AND 0.217 INCHES MAXIMUM ALL HOLES IN |
| Shape | RECTANGULAR |
| Aperture Diameter | 1.660 INCHES MINIMUM AND 1.700 INCHES MAXIMUM IN |
| Counterbore Depth | 0.065 INCHES NOMINAL0.065 INCHES NOMINAL IN |
| Features Provided | RAISED SURFACE AND APERTURE |
| Counterbore Diameter | 2.030 INCHES MINIMUM AND 2.030 INCHES MINIMUM AND 2.050 INCHES MAXIMUM2.050 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE |
| Width | 3.630 INCHES NOMINAL3.630 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Thickness | 0.190 INCHES NOMINAL0.190 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 |
|---|---|
| 13144431 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 13144431 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-142-4622 is a Plate,mounting, manufactured by Us Army Aviation and Missile Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-142-4622 has 1 manufacturer part number on file: 13144431 (Us Army Aviation and Missile Command).
Key specifications for 13144431: Mounting Hole Quantity: 8; Aperture Type: COUNTERBORED; Length: 3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A. 22 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.