The Nut,plain,round, cataloged under National Stock Number 5310-01-206-5477, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-206-5477 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Bearing Surface Finish | 63.0 MICROINCHES |
| Thread Series | UNS |
| Special Test Features | MAGNETIC PARTICLE INSPECT PER EMS52308 CL 4,FSCM 99193 |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Thread Pitch Diameters | +2.3112 TO 2.3178 INCHES IN |
| Material Document and Classification | AMS6415 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM SECOND END IN |
| Drive Point Width | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.344 INCHES IN |
| Nut Diameter | 2.827 INCHES MINIMUM AND 2.837 INCHES MAXIMUM IN |
| Counterbore Diameter | 2.350 INCHES MINIMUM AND 2.360 INCHES MAXIMUM SECOND END IN |
| Drive Point Depth | 0.076 INCHES NOMINAL IN |
| Undercut Thickness | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Nut Thickness | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Small End Diameter | 2.400 INCHES MINIMUM AND 2.420 INCHES MAXIMUM IN |
| Countersink Angle | 45.0 DEGREES NOMINAL FIRST END |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4340 OR STEEL COMP E4340 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3860371-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-206-5477 is a Nut,plain,round, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-206-5477: Bearing Surface Finish: 63.0 MICROINCHES; Thread Series: UNS; Special Test Features: MAGNETIC PARTICLE INSPECT PER EMS52308 CL 4,FSCM 99193; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM. 21 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.