The Washer,lock, cataloged under National Stock Number 5310-00-587-2689, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Illinois Tool Works Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-587-2689 |
| Primary Part Number | 4818-16-02 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Illinois Tool Works Inc |
| Status | ACTIVE |
| Style Designator | DOME EXTERNAL AND INTERNAL TEETH |
| Outside Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Features Provided | CASEHARDENED |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4818-16-02 | Illinois Tool Works Inc (USA) |
| Reference | Meaning |
|---|---|
| 5310005872689 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 4818-16-02 | 3/9 Design control — primary reference Itw Shakeproof Automotive Products |
NSN 5310-00-587-2689 is a Washer,lock, manufactured by Illinois Tool Works Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-587-2689 has 1 manufacturer part number on file: 4818-16-02 (Illinois Tool Works Inc).
Key specifications for 4818-16-02: Overall Height: 0.145 INCHES MINIMUM IN; Style Designator: DOME EXTERNAL AND INTERNAL TEETH; Outside Diameter: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Features Provided: CASEHARDENED. 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.