The Plate,mounting, cataloged under National Stock Number 5340-01-391-2880, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-391-2880 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Corner Radius | 0.120 INCHES NOMINAL IN |
| Length | 0.974 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A |
| Raised Surface Height | 0.100 INCHES NOMINAL IN |
| Raised Surface Diameter | 0.750 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-601, ALLOY 356 FED SPEC SINGLE MATERIAL RESPONSE |
| Shape | SQUARE |
| Aperture Diameter | 0.750 INCHES NOMINAL IN |
| Thread Size | 4-40 UNC-2B |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | CHROMATE |
| Width | 0.974 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 356.0 |
| Thickness | 0.528 INCHES MINIMUM AND 0.534 INCHES MAXIMUM 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 |
| Reference | Meaning |
|---|---|
| 16737-1 | 3/9 Design control — primary reference Naval Electronic Systems Security Engineering Center |
| 619-2972-002 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-01-391-2880 is a Plate,mounting, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6750-01-429-1539. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-391-2880: Mounting Hole Quantity: 4; Corner Radius: 0.120 INCHES NOMINAL IN; Length: 0.974 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A. 17 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.