The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-417-8619, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-417-8619 |
| Item Name | Nut,plain,castellated,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.621 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Bearing Surface Finish | 200.0 MICROINCHES |
| Thread Pitch Diameters | +0.3299 TO 0.3364 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nut Height | 0.312 INCHES NOMINAL IN |
| Countersink Angle | 30.0 DEGREES NOMINAL NUT |
| Nut Style | CASTELLATED, HEXAGON |
| Material | STEEL CORROSION RESISTING 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 |
| Reference | Meaning |
|---|---|
| 10-948Z | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| 10-948Z | 3/9 Design control — primary reference Teledyne Industries Inc Teledyne Power Systems Div |
| 10-948Z | 5/9 Secondary reference Unison Industries Llc |
NSN 5310-00-417-8619 is a Nut,plain,castellated,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-00-596-7173. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-417-8619: Width Across Flats: 0.621 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Bearing Surface Finish: 200.0 MICROINCHES; Thread Pitch Diameters: +0.3299 TO 0.3364 INCHES IN; Thread Direction: RIGHT-HAND. 9 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.