The Nut,plain,round, cataloged under National Stock Number 5310-00-281-3488, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-281-3488 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Thread Series | UNF |
| Material Document and Classification | MIL-S-16782 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Nut Counterbore Depth | 0.031 INCHES NOMINAL NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.562 INCHES IN |
| Nut Diameter | 1.750 INCHES NOMINAL IN |
| Counterbore Diameter | 1.500 INCHES NOMINAL NUT IN |
| Nut Thickness | 0.250 INCHES NOMINAL IN |
| Drive Point Diameter | 0.219 INCHES NOMINAL IN |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 1010 OR STEEL COMP 1015 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 |
|---|---|
| SG2639PC29 | 5/9 Secondary reference Siemens Energy, Inc. |
| 3120444 PC-29 | 3/2 Design control — primary reference U.S. Government activity |
| S113CC | 5/9 Secondary reference Circor Pumps North America Llc |
| 575-4501-1444245PC29 | 5/9 Secondary reference U.S. Government activity |
| S113CC | 5/9 Secondary reference Siemens Energy, Inc. |
| SG2639PC29 | 5/9 Secondary reference Circor Pumps North America Llc |
| SS3027PC29 | 5/9 Secondary reference Siemens Energy, Inc. |
| SS3027PC29 | 5/9 Secondary reference Circor Pumps North America Llc |
NSN 5310-00-281-3488 is a Nut,plain,round, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-281-3488: Thread Series: UNF; Material Document and Classification: MIL-S-16782 MIL SPEC ALL MATERIAL RESPONSES OVERALL; Nut Counterbore Depth: 0.031 INCHES NOMINAL NUT 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.