The Washer,lock, cataloged under National Stock Number 5310-01-316-7651, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-316-7651 |
| Primary Part Number | 1300550 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Style Designator | DOME INTERNAL TEETH |
| Outside Diameter | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 1300550 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 799914 | D/9 Drawing number reference only Clark Equipment Co |
| 1300550 | 3/9 Design control — primary reference Clark Equipment Co |
NSN 5310-01-316-7651 is a Washer,lock, manufactured by Dana Off Highway Products, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-316-7651 has 1 manufacturer part number on file: 1300550 (Dana Off Highway Products, Llc).
Key specifications for 1300550: Overall Height: 0.190 INCHES NOMINAL IN; Style Designator: DOME INTERNAL TEETH; Outside Diameter: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN; Material Thickness: 0.050 INCHES NOMINAL IN. 6 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.