The Nut,sleeve, cataloged under National Stock Number 5310-01-326-8376, 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 13 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 | 5310-01-326-8376 |
| Primary Part Number | 5816549 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Width Across Flats | 1.005 INCHES NOMINAL IN |
| Nut Length | 0.450 INCHES NOMINAL IN |
| Flange Thickness | 0.450 INCHES NOMINAL IN |
| Thread Series | UN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.6875 INCHES IN |
| Nut Diameter | 1.000 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUND SECOND END |
| Cross-Sectional Shape | HEXAGONAL FIRST END |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 5816549 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-326-8376 is a Nut,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-326-8376 has 1 manufacturer part number on file: 5816549 (Naval Sea Systems Command).
Key specifications for 5816549: Flange Width Across Flats: 1.005 INCHES NOMINAL IN; Nut Length: 0.450 INCHES NOMINAL IN; Flange Thickness: 0.450 INCHES NOMINAL IN; Thread Series: UN. 13 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.