The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-240-2040, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-240-2040 |
| Primary Part Number | 011239 |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Overall Outside Diameter | 22.500 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 |
|---|---|
| 011239 PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| C10767 ITEM 11 | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
NSN 3010-01-240-2040 is a Insert,flexible Coupling, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-240-2040 has 2 manufacturer part numbers on file: 011239 (Reliance Electric Company Dba Reliance & Dodge Brands), C10767 ITEM 11 (Reliance Electric Company Dba Reliance & Dodge Brands).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-422-3702. Verify interchangeability with system specifications before substitution.
Key specifications for 011239: Overall Outside Diameter: 22.500 INCHES NOMINAL IN; Special Features: LAMINATED CONSTRUCTION FEATURE-NOT INCL.;MATL-RUBBER BUNA-N; Material: RUBBER SYNTHETIC. 2 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.