The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-385-7722, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-385-7722 |
| Primary Part Number | 7186868 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Spline Minor Diameter | 1.8860 INCHES NOMINAL FIRST END IN |
| Spline Type | INVOLUTE BOTH ENDS |
| Overall Diameter | 2.998 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN |
| Spline Length | 5.875 INCHES NOMINAL FIRST END IN |
| Style Designator | PLAIN SLEEVE |
| Spline Major Diameter | 2.0375 INCHES NOMINAL BOTH ENDS IN |
| Features Provided | BORE COUNTERBORE |
| Bore Shape | SPLINED BOTH ENDS |
| Spline Pressure Angle in Deg | 30.000 BOTH ENDS |
| Spline Quantity | 31 BOTH ENDS |
| Body Material | STEEL |
| Surface Treatment | PHOSPHATE |
| 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 |
|---|---|
| 7186868 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3010-00-385-7722 is a Coupling,shaft,rigid, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-385-7722 has 1 manufacturer part number on file: 7186868 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 7186868: Spline Minor Diameter: 1.8860 INCHES NOMINAL FIRST END IN; Spline Type: INVOLUTE BOTH ENDS; Overall Diameter: 2.998 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN; Spline Length: 5.875 INCHES NOMINAL FIRST END 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.