The Nut,self-Locking,castellated,dou, cataloged under National Stock Number 5310-01-336-5937, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Meritor Industrial Products, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Nut,self-Locking,castellated,dou |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Meritor Heavy Vehicle Systems, Llc (CAGE 78500); Meritor Industrial Products, Llc (CAGE 3D6E9); Daimler Truck North America Llc (CAGE 64678) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-336-5937 |
| Primary Part Number | KIT2637 |
| Item Name | Nut,self-Locking,castellated,dou |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Meritor Industrial Products, Llc |
| 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 |
|---|---|
| KIT2637 | Meritor Heavy Vehicle Systems, Llc (USA) |
| 40X1026 | Meritor Industrial Products, Llc (USA) |
| 40X-1026 | Daimler Truck North America Llc (USA) |
| KIT2637 PRIMARY | Meritor Industrial Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 40X-1026 | 3/9 Design control — primary reference Meritor Heavy Vehicle Systems, Llc |
NSN 5310-01-336-5937 is a Nut,self-Locking,castellated,dou, manufactured by Meritor Industrial Products, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-336-5937 has 4 manufacturer part numbers on file: KIT2637 (Meritor Heavy Vehicle Systems, Llc), 40X1026 (Meritor Industrial Products, Llc), 40X-1026 (Daimler Truck North America Llc), KIT2637 (Meritor Industrial Products, Llc).
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.