The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-596-6564, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Western Union Telegraph Co Sub of Western Union Corp. 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 | 5310-00-596-6564 |
| Primary Part Number | 215264X1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Western Union Telegraph Co Sub of Western Union Corp |
| Status | ACTIVE |
| Width Across Flats | 0.369 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Height | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1212 OVERALL |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| 215264X1 PRIMARY | Western Union Telegraph Co Sub of Western Union Corp (USA) |
NSN 5310-00-596-6564 is a Nut,plain,hexagon, manufactured by Western Union Telegraph Co Sub of Western Union Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-596-6564 has 1 manufacturer part number on file: 215264X1 (Western Union Telegraph Co Sub of Western Union Corp).
Key specifications for 215264X1: Width Across Flats: 0.369 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 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.