The Washer,lock, cataloged under National Stock Number 5310-01-719-5293, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hillman Group, Inc., the. Government technical data includes 4 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 | 5310-01-719-5293 |
| Primary Part Number | 300303 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hillman Group, Inc., the |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Surface Treatment | DICHROMATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.250 INCHES NOMINAL 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 |
|---|---|
| 300303 PRIMARY | Hillman Group, Inc., the (USA) |
NSN 5310-01-719-5293 is a Washer,lock, manufactured by Hillman Group, Inc., the, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-719-5293 has 1 manufacturer part number on file: 300303 (Hillman Group, Inc., the).
Key specifications for 300303: Style Designator: SPLIT HELICAL-RIGHT HAND; Surface Treatment: DICHROMATE OVERALL; Part Name Assigned by Controlling Agency: GRADE A SPLIT LOCK WASHER 1/4 INCH IN; Material: STEEL OVERALL. 4 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.