The Nut,plain,round, cataloged under National Stock Number 5310-00-262-6162, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 12 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 | 5310-00-262-6162 |
| Primary Part Number | Q57 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Thread Series | UNF |
| Material Document and Classification | QQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Nut Diameter | 2.500 INCHES NOMINAL IN |
| Nut Thickness | 0.375 INCHES NOMINAL IN |
| Drive Point Diameter | 0.281 INCHES NOMINAL IN |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1115 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1120 OVERALL |
| 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 |
|---|---|
| Q57 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 5310-00-262-6162 is a Nut,plain,round, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-262-6162 has 1 manufacturer part number on file: Q57 (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for Q57: Thread Series: UNF; Material Document and Classification: QQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.750 INCHES IN. 12 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.