The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-340-4628, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ridewell Corporation Dba Ridewell Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-340-4628 |
| Primary Part Number | 115 7427B 102 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ridewell Corporation Dba Ridewell Corp |
| Status | ACTIVE |
| Width Across Flats | 2.150 INCHES MINIMUM AND 2.350 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.500 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 1.250 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 6 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 115 7427B 102 | Ridewell Corporation Dba Ridewell Corp (USA) |
| Reference | Meaning |
|---|---|
| SW26669 | 3/2 Design control — primary reference U.S. Government activity |
| 115 74278 102 | 5/9 Secondary reference Ridewell Corporation Dba Ridewell Corp |
NSN 5310-01-340-4628 is a Nut,self-Locking,hexagon, manufactured by Ridewell Corporation Dba Ridewell Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-340-4628 has 1 manufacturer part number on file: 115 7427B 102 (Ridewell Corporation Dba Ridewell Corp).
Key specifications for 115 7427B 102: Width Across Flats: 2.150 INCHES MINIMUM AND 2.350 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.500 INCHES IN. 10 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.