The Nut,self-Locking,double Hexagon, cataloged under National Stock Number 5310-00-815-9405, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Boeing Distribution Services SAS. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-815-9405 |
| Primary Part Number | H19304-9 |
| Item Name | Nut,self-Locking,double Hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Boeing Distribution Services SAS |
| Status | ACTIVE |
| Width Across Flats | 0.675 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Temp Rating | 500.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.562 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.633 INCHES MAXIMUM IN |
| Nut Style | DOUBLE HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| H19304-9 | Boeing Distribution Services SAS (FRA) |
| Reference | Meaning |
|---|---|
| H19304-9 | 3/9 Design control — primary reference Howmet Global Fastening Systems Inc |
| H19304-9 | 5/9 Secondary reference Klx Aerospace Solutions II SAS |
NSN 5310-00-815-9405 is a Nut,self-Locking,double Hexagon, manufactured by Boeing Distribution Services SAS, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-815-9405 has 1 manufacturer part number on file: H19304-9 (Boeing Distribution Services SAS).
Key specifications for H19304-9: Width Across Flats: 0.675 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN; Thread Series: UNF; Temp Rating: 500.0 FAHRENHEIT NOMINAL DEGF; 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.