The Plate,mounting, cataloged under National Stock Number 5340-01-663-2684, 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 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 | 5340-01-663-2684 |
| Primary Part Number | 5190154 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Length | 10.800 INCHES NOMINAL IN |
| Color Chip Number | 26270 |
| Surface Treatment Document and Classification | MIL-P-85582 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-81773 IAW FED-STD-595, COLOR 26270 GRAY MIL SPEC 2ND TREATMENT RESPONSE AND MIL-C-5541, CLASS 1A MIL SPEC 3RD TREATMENT RESPONSE A |
| Heat Treatment | H-34 STRAIN HARDENED, STABILIZED TO 1/2 HARD |
| Material Document and Classification | QQ-A-250/8, 5052-H34 FED STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.310 INCHES MINIMUM AND 0.318 INCHES MAXIMUM ALL HOLES IN |
| Shape | RECTANGULAR |
| Surface Treatment | PRIMER AND PAINT AND CHEMICAL |
| Width | 9.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 5052 |
| Furnished Items and Quantity | (4) PLATE NUT, P/N 1819513-001 (10001); (8) RIVET, P/N MS20426AD3-6 |
| Thickness | 0.125 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 |
|---|---|
| 5190154 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-663-2684 is a Plate,mounting, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-663-2684 has 1 manufacturer part number on file: 5190154 (Naval Sea Systems Command).
Key specifications for 5190154: Mounting Hole Quantity: 4; Length: 10.800 INCHES NOMINAL IN; Color Chip Number: 26270; Surface Treatment Document and Classification: MIL-P-85582 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-81773 IAW FED-STD-595, COLOR 26270 GRAY MIL SPEC 2ND TREATMENT RESPONSE AND MIL-C-5541, CLASS 1A MIL SPEC 3RD TREATMENT RESPONSE A. 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.