The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-01-671-7864, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Wurth Industry Usa Inc. Dba Wurth Revcar Fasteners, Inc.. Government technical data includes 9 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 | 5310-01-671-7864 |
| Primary Part Number | 31CNCES/FFN836E |
| Item Name | Nut,plain,castellated,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Wurth Industry Usa Inc. Dba Wurth Revcar Fasteners, Inc. |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | CASTELLATED, HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| 31CNCES/FFN836E PRIMARY | Wurth Industry Usa Inc. Dba Wurth Revcar Fasteners, Inc. (USA) |
NSN 5310-01-671-7864 is a Nut,plain,castellated,hexagon, manufactured by Wurth Industry Usa Inc. Dba Wurth Revcar Fasteners, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-671-7864 has 1 manufacturer part number on file: 31CNCES/FFN836E (Wurth Industry Usa Inc. Dba Wurth Revcar Fasteners, Inc.).
Key specifications for 31CNCES/FFN836E: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.3125 INCHES IN; Surface Treatment: PASSIVATE OVERALL. 9 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.