The Washer,lock, cataloged under National Stock Number 5310-01-184-2702, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Ltd. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-184-2702 |
| Primary Part Number | STD2445/23 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ge Aviation Systems Ltd |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.507 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN |
| Material Thickness | 0.056 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.251 INCHES MINIMUM AND 0.256 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 |
|---|---|
| STD2445/23 PRIMARY | Ge Aviation Systems Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 10110083 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-184-2702 is a Washer,lock, manufactured by Ge Aviation Systems Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-184-2702 has 1 manufacturer part number on file: STD2445/23 (Ge Aviation Systems Ltd).
Key specifications for STD2445/23: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.507 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN; Material Thickness: 0.056 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL. 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.