The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-280-4346, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is TB Woods's Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-280-4346 |
| Primary Part Number | 7JN SLEEVE |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | TB Woods's Corporation |
| Status | ACTIVE |
| Overall Thickness | 2.188 INCHES NOMINAL IN |
| Overall Outside Diameter | 4.344 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7JN SLEEVE PRIMARY | TB Woods's Corporation (USA) |
| Reference | Meaning |
|---|---|
| JN SLEEVE | C/1 Advisory reference — outside the item-of-supply concept TB Woods's Corporation |
NSN 3010-01-280-4346 is a Insert,flexible Coupling, manufactured by TB Woods's Corporation, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-280-4346 has 1 manufacturer part number on file: 7JN SLEEVE (TB Woods's Corporation).
Key specifications for 7JN SLEEVE: Overall Thickness: 2.188 INCHES NOMINAL IN; Overall Outside Diameter: 4.344 INCHES NOMINAL IN; Special Features: LAMINATED CONSTRUCTION FEATURE-NOT INCL.;MATL-CHLOROPRENE RUBBER; Material: RUBBER SYNTHETIC. 3 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.