The Washer,key, cataloged under National Stock Number 5310-00-471-2945, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Actuation 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-471-2945 |
| Primary Part Number | FHS1789-12 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Actuation Systems Ltd |
| Status | ACTIVE |
| Internal Straight Key Width | 0.114 INCHES NOMINAL IN |
| Wire Hole Diameter | 0.062 INCHES NOMINAL IN |
| Outside Diameter | 1.262 INCHES NOMINAL IN |
| Material Thickness | 0.034 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.940 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 |
|---|---|
| FHS1789-12 PRIMARY | Goodrich Actuation Systems Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 99-1482537 | 6/9 Informative reference only U.S. Government activity |
| FHS1789-12 | 3/9 Design control — primary reference Claverham Ltd |
NSN 5310-00-471-2945 is a Washer,key, manufactured by Goodrich Actuation Systems Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-471-2945 has 1 manufacturer part number on file: FHS1789-12 (Goodrich Actuation Systems Ltd).
Key specifications for FHS1789-12: Internal Straight Key Width: 0.114 INCHES NOMINAL IN; Wire Hole Diameter: 0.062 INCHES NOMINAL IN; Outside Diameter: 1.262 INCHES NOMINAL IN; Material Thickness: 0.034 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.