The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-230-1603, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Emerson Electric Co Browning Mfg Div. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-230-1603 |
| Primary Part Number | JS4N |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Emerson Electric Co Browning Mfg Div |
| Status | ACTIVE |
| Overall Thickness | 0.438 INCHES NOMINAL IN |
| Style Designator | SPIDER |
| Overall Outside Diameter | 2.130 INCHES NOMINAL IN |
| Lug Quantity | 6 |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| JS4N PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| Reference | Meaning |
|---|---|
| 7B8-06133 | 7/2 Vendor item drawing reference Lake Shore Systems, Inc. |
NSN 3010-01-230-1603 is a Insert,flexible Coupling, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-230-1603 has 1 manufacturer part number on file: JS4N (Emerson Electric Co Browning Mfg Div).
Key specifications for JS4N: Overall Thickness: 0.438 INCHES NOMINAL IN; Style Designator: SPIDER; Overall Outside Diameter: 2.130 INCHES NOMINAL IN; Lug Quantity: 6. 5 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.