The Nut,plain,round, cataloged under National Stock Number 5310-00-221-3846, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 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 | 5310-00-221-3846 |
| Primary Part Number | SP3213 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Thread Series | UNS |
| Material Document and Classification | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.022 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 5.000 INCHES IN |
| Nut Diameter | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Drive Point Depth | 0.023 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Nut Thickness | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Countersink Angle | 82.0 DEGREES NOMINAL NUT |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 48 |
| Material | COPPER ALLOY 482 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 |
|---|---|
| SP3213 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5310-00-221-3846 is a Nut,plain,round, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-221-3846 has 1 manufacturer part number on file: SP3213 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for SP3213: Thread Series: UNS; Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Drive Point Width: 0.022 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 14 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.