The Nut,sleeve, cataloged under National Stock Number 5310-00-550-8018, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 20 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 | 5310-00-550-8018 |
| Primary Part Number | 5508018 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Flange Diameter | 3.540 INCHES MINIMUM AND 3.550 INCHES MAXIMUM IN |
| Nut Length | 1.552 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN |
| Flange Thickness | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Thread Series | UNS |
| Hardness Rating | 18.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM |
| Criticality Code Justification | ACTD |
| Hole Configuration Style | CONFIGURATION F |
| Thread Pitch Diameters | +2.2000 TO 2.2400 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.375 INCHES IN |
| Nut Diameter | 3.057 INCHES MINIMUM AND 3.060 INCHES MAXIMUM IN |
| Cross-Sectional Shape | ROUND FLANGE |
| Cross-Sectional Shape | ROUND NUT |
| Cross-Sectional Shape | ROUND BOSS |
| Drilled Hole Diameter | 0.203 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE AND ZINC OVERALL |
| Nut Style | SLEEVE |
| Thread Quantity Per Inch | 3 |
| Material | STEEL COMP E3310 OR STEEL COMP 9310 OVERALL |
| Hole Type and Quantity | 2 DRILLED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 5508018 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5310-00-550-8018 is a Nut,sleeve, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-550-8018 has 1 manufacturer part number on file: 5508018 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 5508018: Flange Diameter: 3.540 INCHES MINIMUM AND 3.550 INCHES MAXIMUM IN; Nut Length: 1.552 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN; Flange Thickness: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Thread Series: UNS. 20 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.