The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-201-6446, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-201-6446 |
| Primary Part Number | RGR-402AA |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Material Document and Classification | QQ-B-637,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Style | HEXAGON |
| Material | COPPER ALLOY 464 OVERALL |
| 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 |
|---|---|
| RGR-402AA PRIMARY | Siemens Energy, Inc. (USA) |
| J-1660 PIECE 58 PRIMARY | Siemens Energy, Inc. (USA) |
NSN 5310-01-201-6446 is a Nut,plain,hexagon, manufactured by Siemens Energy, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-201-6446 has 2 manufacturer part numbers on file: RGR-402AA (Siemens Energy, Inc.), J-1660 PIECE 58 (Siemens Energy, Inc.).
Key specifications for RGR-402AA: Material Document and Classification: QQ-B-637,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nut Style: HEXAGON; Material: COPPER ALLOY 464 OVERALL. 3 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.