The Nut,self-Locking,round, cataloged under National Stock Number 5310-01-309-4301, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Nut,self-Locking,round |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex (CAGE 60506) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-309-4301 |
| Primary Part Number | 10166 |
| Item Name | Nut,self-Locking,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex |
| 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 |
|---|---|
| 10166 PRIMARY | Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex (USA) |
| Reference | Meaning |
|---|---|
| 10166 | 5/9 Secondary reference Madison-Kipp Corp |
NSN 5310-01-309-4301 is a Nut,self-Locking,round, manufactured by Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-309-4301 has 1 manufacturer part number on file: 10166 (Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex).
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.