The Washer,key, cataloged under National Stock Number 5310-01-179-0342, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Aerospace Yeovil Div Aerospace -Yeovil. Government technical data includes 14 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 | 5310-01-179-0342 |
| Primary Part Number | 1029S018 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell Aerospace Yeovil Div Aerospace -Yeovil |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.420 INCHES NOMINAL IN |
| Split Key Length | 0.180 INCHES NOMINAL IN |
| External Prebent Key Length | 0.150 INCHES NOMINAL IN |
| Overall Distance Including Keys | 0.981 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 0.720 INCHES NOMINAL IN |
| External Tapered Key Width | 0.390 INCHES NOMINAL IN |
| Material Thickness | 0.036 INCHES NOMINAL IN |
| External Key Quantity | 1 |
| External Prebent Key Angle | 15.0 DEGREES NOMINAL |
| External Prebent Key Width | 0.170 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Angle Between External Keys | 60.0 DEGREES NOMINAL |
| Hole Diameter | 0.455 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 |
|---|---|
| 1029S018 PRIMARY | Honeywell Aerospace Yeovil Div Aerospace -Yeovil (GBR) |
NSN 5310-01-179-0342 is a Washer,key, manufactured by Honeywell Aerospace Yeovil Div Aerospace -Yeovil, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-179-0342 has 1 manufacturer part number on file: 1029S018 (Honeywell Aerospace Yeovil Div Aerospace -Yeovil).
Key specifications for 1029S018: Distance From Centerline to Inside of Prebent Key: 0.420 INCHES NOMINAL IN; Split Key Length: 0.180 INCHES NOMINAL IN; External Prebent Key Length: 0.150 INCHES NOMINAL IN; Overall Distance Including Keys: 0.981 INCHES NOMINAL IN. 14 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.