The Washer,key, cataloged under National Stock Number 5310-00-468-7659, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Airlines. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-468-7659 |
| Primary Part Number | B383837 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolls-Royce Airlines |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.309 INCHES NOMINAL IN |
| Split Key Length | 0.125 INCHES NOMINAL IN |
| External Prebent Key Length | 0.125 INCHES NOMINAL IN |
| Overall Distance Including Keys | 0.719 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 0.446 INCHES NOMINAL IN |
| External Tapered Key Width | 0.250 INCHES NOMINAL IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| External Key Quantity | 1 |
| External Prebent Key Width | 0.109 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Angle Between External Keys | 45.0 DEGREES NOMINAL |
| Hole Diameter | 0.263 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 |
|---|---|
| B383837 | Rolls-Royce Airlines (GBR) |
| B385837 | Rolls-Royce Airlines (GBR) |
| Reference | Meaning |
|---|---|
| 99-1091237 | 6/9 Informative reference only U.S. Government activity |
| B385837 | 5/9 Secondary reference Rolls-Royce Plc Div Defense (europe) |
| B385837 | 3/9 Design control — primary reference Rolls-Royce Inc |
| B383837 | 5/9 Secondary reference Rolls-Royce Plc Div Defense (europe) |
NSN 5310-00-468-7659 is a Washer,key, manufactured by Rolls-Royce Airlines, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-468-7659 has 2 manufacturer part numbers on file: B383837 (Rolls-Royce Airlines), B385837 (Rolls-Royce Airlines).
Key specifications for B383837: Distance From Centerline to Inside of Prebent Key: 0.309 INCHES NOMINAL IN; Split Key Length: 0.125 INCHES NOMINAL IN; External Prebent Key Length: 0.125 INCHES NOMINAL IN; Overall Distance Including Keys: 0.719 INCHES NOMINAL IN. 13 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.