The Nut,self-Locking,barrel, cataloged under National Stock Number 5310-01-308-2668, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Helitech Sikorsky Aircraft Australia Ltd Div Sikorsky Australia. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut,self-Locking,barrel |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Sikorsky Helitech Sikorsky Aircraft Australia Ltd Div Sikorsky Australia (CAGE Z6P06) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-308-2668 |
| Primary Part Number | SL50-5ASP6 |
| Item Name | Nut,self-Locking,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sikorsky Helitech Sikorsky Aircraft Australia Ltd Div Sikorsky Australia |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| SL50-5ASP6 | Sikorsky Helitech Sikorsky Aircraft Australia Ltd Div Sikorsky Australia (AUS) |
| Reference | Meaning |
|---|---|
| SL50B5ASP18 | 3/2 Design control — primary reference U.S. Government activity |
| SL50-5ASP6 | 5/9 Secondary reference Helitech Div of Sikorsky Aircraft Ltd. Div Helitech |
| SL50-5ASP6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-308-2668 is a Nut,self-Locking,barrel, manufactured by Sikorsky Helitech Sikorsky Aircraft Australia Ltd Div Sikorsky Australia, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-308-2668 has 1 manufacturer part number on file: SL50-5ASP6 (Sikorsky Helitech Sikorsky Aircraft Australia Ltd Div Sikorsky Australia).
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.