The Washer,flat, cataloged under National Stock Number 5310-01-116-4839, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Reid Products Inc. Dba Reid Products Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-116-4839 |
| Primary Part Number | 12524631-2 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Reid Products Inc. Dba Reid Products Inc |
| Status | ACTIVE |
| Overall Diameter | 24.1 MILLIMETERS MINIMUM AND 25.0 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 50.0 ROCKWELL C NOMINAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Thickness | 2.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 12524631-2 | Metric Specialties Inc (USA) |
| 12524631-2 PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| 12524631-2 | Willie Washer Manufacturing Co (USA) |
| 12524631-2 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5310-01-116-4839 is a Washer,flat, manufactured by Reid Products Inc. Dba Reid Products Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-116-4839 has 4 manufacturer part numbers on file: 12524631-2 (Metric Specialties Inc), 12524631-2 (Reid Products Inc. Dba Reid Products Inc), 12524631-2 (Willie Washer Manufacturing Co), 12524631-2 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12524631-2: Overall Diameter: 24.1 MILLIMETERS MINIMUM AND 25.0 MILLIMETERS MAXIMUM MM; Hardness Rating: 50.0 ROCKWELL C NOMINAL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: CADMIUM OVERALL. 8 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.