The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-667-5612, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. 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 | 5310-01-667-5612 |
| Primary Part Number | E-4421 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Meritor Heavy Vehicle Systems, 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 |
|---|---|
| E-4421 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
NSN 5310-01-667-5612 is a Nut,self-Locking,hexagon, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-667-5612 has 1 manufacturer part number on file: E-4421 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for E-4421: Part Name Assigned by Controlling Agency: LOCKNUT; End Item Identification: MISSILE. 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.