The Nut,sleeve, cataloged under National Stock Number 5310-00-281-4989, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 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 | 5310-00-281-4989 |
| Primary Part Number | 506288PC4 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Flange Width Across Flats | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Nut Length | 1.810 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN |
| Flange Thickness | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Diameter | 0.868 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN |
| Cross-Sectional Shape | HEXAGONAL FLANGE |
| Cross-Sectional Shape | ROUND NUT |
| Nut Style | SLEEVE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 13 |
| Material | COPPER ALLOY 865 OVERALL |
| 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 |
|---|---|
| 506288PC4 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5310-00-281-4989 is a Nut,sleeve, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-281-4989 has 1 manufacturer part number on file: 506288PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 506288PC4: Flange Width Across Flats: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Nut Length: 1.810 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN; Flange Thickness: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 14 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.