The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-493-3497, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-493-3497 |
| Primary Part Number | 122-2645913 PART NO 27 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Height | 0.125 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY 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 |
|---|---|
| 122-2645913 PART NO 27 PRIMARY | Naval Sea Systems Command (USA) |
| 92671A195 | Mcmaster-Carr Supply Co (USA) |
NSN 5310-01-493-3497 is a Nut,plain,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-493-3497 has 2 manufacturer part numbers on file: 122-2645913 PART NO 27 (Naval Sea Systems Command), 92671A195 (Mcmaster-Carr Supply Co).
Key specifications for 122-2645913 PART NO 27: Width Across Flats: 0.375 INCHES NOMINAL IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.190 INCHES IN. 8 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.