The Nut,sheet Spring, cataloged under National Stock Number 5310-00-807-4228, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pilatus Aircraft Ltd. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-807-4228 |
| Primary Part Number | 938.42.28.502 |
| Item Name | Nut,sheet Spring |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pilatus Aircraft Ltd |
| Status | ACTIVE |
| Nut Width | 0.468 INCHES NOMINAL IN |
| Nut Length | 0.968 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.094 INCHES NOMINAL IN |
| Material Thickness | 0.022 INCHES NOMINAL IN |
| Distance From Aperture Center to Mounting Hole Center | 0.344 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 0.688 INCHES NOMINAL IN |
| Mating Member Diameter Accommodated | 0.138 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | SHEET SPRING |
| Material | STEEL OVERALL |
| Nut Mounting Provision | STRAIGHT HOLES |
| 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 |
|---|---|
| 938.42.28.502 | Pilatus Aircraft Ltd (CHE) |
| Reference | Meaning |
|---|---|
| NAS444-1 | 5/1 Secondary reference U.S. Government activity |
| NAS444-1 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-00-807-4228 is a Nut,sheet Spring, manufactured by Pilatus Aircraft Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-807-4228 has 1 manufacturer part number on file: 938.42.28.502 (Pilatus Aircraft Ltd).
Key specifications for 938.42.28.502: Nut Width: 0.468 INCHES NOMINAL IN; Nut Length: 0.968 INCHES NOMINAL IN; Mounting Hole Arrangement Style: 2 HOLES; Mounting Hole Diameter: 0.094 INCHES NOMINAL 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.