The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-466-7215, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-466-7215 |
| Primary Part Number | 1291-N NO.-7 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Width Across Flats | 2.250 INCHES NOMINAL IN |
| Thread Tolerance Class | 5H INTERNAL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Pitch Diameters | +1.2938 TO 1.3031 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.375 INCHES IN |
| Nut Height | 0.812 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 8 |
| Material | NICKEL ALLOY OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 1291-N NO.-7 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 31147-U-380 | 5/9 Secondary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
NSN 5310-01-466-7215 is a Nut,plain,hexagon, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-466-7215 has 1 manufacturer part number on file: 1291-N NO.-7 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
Key specifications for 1291-N NO.-7: Width Across Flats: 2.250 INCHES NOMINAL IN; Thread Tolerance Class: 5H INTERNAL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Pitch Diameters: +1.2938 TO 1.3031 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.