The Washer,lock, cataloged under National Stock Number 5310-01-598-9259, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-598-9259 |
| Primary Part Number | 12759-01151 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B695, CLASS 5, TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | SAE J403, 1055-1065 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.459 INCHES MAXIMUM IN |
| Material Thickness | 0.219 INCHES NOMINAL IN |
| Color | YELLOW OVERALL |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.878 INCHES MINIMUM AND 0.894 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 |
|---|---|
| 12759-01151 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
| 0123502 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
NSN 5310-01-598-9259 is a Washer,lock, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-598-9259 has 2 manufacturer part numbers on file: 12759-01151 (Fastenal Company Dba Fastenal Co), 0123502 (Fastenal Company Dba Fastenal Co).
Key specifications for 12759-01151: Surface Treatment Document and Classification: ASTM B695, CLASS 5, TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: SAE J403, 1055-1065 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.459 INCHES MAXIMUM IN. 9 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.