The Nut,plain,round, cataloged under National Stock Number 5310-00-776-5891, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 18 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 | 5310-00-776-5891 |
| Primary Part Number | Y245223PC127D |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Hole Thread Quantity Per Inch | 16 |
| Thread Series | UN |
| Hole Configuration Style | CONFIGURATION F |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.437 INCHES NOMINAL NUT IN |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 1.750 INCHES IN |
| Nut Diameter | 2.490 INCHES NOMINAL IN |
| Counterbore Diameter | 1.203 INCHES NOMINAL NUT IN |
| Drive Point Depth | 0.400 INCHES NOMINAL IN |
| Nut Thickness | 1.687 INCHES NOMINAL IN |
| Drive Point Diameter | 0.312 INCHES NOMINAL IN |
| Countersink Angle | 45.0 DEGREES NOMINAL NUT |
| Nut Style | ROUND |
| Thread Class | 3B |
| Hole Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Quantity Per Inch | 16 |
| Hole Type and Quantity | 2 TAPPED |
| 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 |
|---|---|
| Y245223PC127D PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5310-00-776-5891 is a Nut,plain,round, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-776-5891 has 1 manufacturer part number on file: Y245223PC127D (Naval Inventory Control Point Mechanicsburg).
Key specifications for Y245223PC127D: Hole Thread Quantity Per Inch: 16; Thread Series: UN; Hole Configuration Style: CONFIGURATION F; Material Document and Classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 18 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.