The Nut Assembly,retainer Plate, cataloged under National Stock Number 5310-01-690-1323, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastener Specialty, Inc.. Government technical data includes 13 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.
| Parameter | Value |
|---|---|
| NSN | 5310-01-690-1323 |
| Primary Part Number | FSU/MD-2501PF |
| Item Name | Nut Assembly,retainer Plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastener Specialty, Inc. |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Center to Center Nut Spacing Along Length | 1.500 INCHES NOMINAL IN |
| Flange Thickness | 0.123 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN |
| Thread Series | UNJC |
| Nut Quantity | 4 |
| Mounting Style | PLATE |
| Thread Direction | RIGHT-HAND |
| Inside Diameter | 1.582 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM NUT |
| Nut Style | PLATE |
| Thread Class | 3B |
| Material | STEEL NUT |
| Material | ALUMINUM ALLOY FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FSU/MD-2501PF PRIMARY | Fastener Specialty, Inc. (USA) |
NSN 5310-01-690-1323 is a Nut Assembly,retainer Plate, manufactured by Fastener Specialty, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-690-1323 has 1 manufacturer part number on file: FSU/MD-2501PF (Fastener Specialty, Inc.).
Key specifications for FSU/MD-2501PF: Lubrication: DRY FILM LUBRICANT; Overall Height: 1.593 INCHES NOMINAL IN; Center to Center Nut Spacing Along Length: 1.500 INCHES NOMINAL IN; Flange Thickness: 0.123 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.