The Plate,mounting, cataloged under National Stock Number 5340-01-509-1820, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-509-1820 |
| Primary Part Number | 7326312-03 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Raised Surface Width | 1.210 INCHES NOMINAL IN |
| Corner Radius | 0.812 INCHES NOMINAL IN |
| Length | 2.600 INCHES NOMINAL IN |
| Raised Surface Length | 2.600 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL ALL HOLES IN |
| Shape | RECTANGULAR |
| Features Provided | CENTRALLY LOCATED RAISED SURFACE AND RAISED SURFACE |
| Thread Size | 0.250-20 UNC-2B |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Width | 2.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Mounting Hole Type | THREADED |
| 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 |
|---|---|
| 7326312-03 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 7326312-03 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-509-1820 is a Plate,mounting, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-509-1820 has 2 manufacturer part numbers on file: 7326312-03 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 7326312-03 (Naval Sea Systems Command).
Key specifications for 7326312-03: Mounting Hole Quantity: 4; Raised Surface Width: 1.210 INCHES NOMINAL IN; Corner Radius: 0.812 INCHES NOMINAL IN; Length: 2.600 INCHES NOMINAL 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.