The Nut,sleeve, cataloged under National Stock Number 5310-01-288-4525, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-288-4525 |
| Primary Part Number | 122-5486623 ITEM081 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Bearing Surface Finish | 63.0 MICROINCHES |
| Nut Length | 1.940 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Length | 1.380 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Material Document and Classification | QQ-N-281,CLASS A,FORM 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Nut Diameter | 1.620 INCHES NOMINAL IN |
| Counterbore Diameter | 1.000 INCHES MINIMUM AND 1.002 INCHES MAXIMUM NUT IN |
| Boss Thickness | 0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Boss Width Across Flats | 1.500 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUND SECOND END |
| Cross-Sectional Shape | HEXAGONAL FIRST END |
| Countersink Angle | 45.0 DEGREES NOMINAL BOTH ENDS |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 8 |
| Material | NICKEL ALLOY 400 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 122-5343946 ITEM 3 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 122-5486623 ITEM081 PRIMARY | Naval Sea Systems Command (USA) |
| 122-5343946 ITEM 3 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-288-4525 is a Nut,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-288-4525 has 3 manufacturer part numbers on file: 122-5343946 ITEM 3 (Huntington Ingalls Inc Div Newport News Shipbuilding), 122-5486623 ITEM081 (Naval Sea Systems Command), 122-5343946 ITEM 3 (Naval Sea Systems Command).
Key specifications for 122-5486623 ITEM081: Bearing Surface Finish: 63.0 MICROINCHES; Nut Length: 1.940 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Length: 1.380 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. 18 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.