The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-185-9256, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-185-9256 |
| Primary Part Number | ST3066-11 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| 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 |
|---|---|
| 968.20.12.124 | Pilatus Aircraft Ltd (CHE) |
| ST3066-11 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| ST3063-11 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| ST3065-11 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| Z00.N7228511801TBM | 5/9 Secondary reference Daher Aerospace - Ex Socata |
NSN 5310-01-185-9256 is a Nut,self-Locking,extended Washer, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-185-9256 has 4 manufacturer part numbers on file: 968.20.12.124 (Pilatus Aircraft Ltd), ST3066-11 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), ST3063-11 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), ST3065-11 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
Key specifications for ST3066-11: End Item Identification: USED ON BEECH 300 AIRCRAFT. 0 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.