The Insert,flexible Coupling, cataloged under National Stock Number 3010-00-528-0797, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Charles Bond Company Dba Christiana Machine Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-528-0797 |
| Primary Part Number | 3B23 |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Charles Bond Company Dba Christiana Machine Company |
| Status | ACTIVE |
| Overall Thickness | 0.531 INCHES NOMINAL IN |
| Style Designator | SPIDER |
| Overall Outside Diameter | 2.313 INCHES NOMINAL IN |
| Lug Quantity | 6 |
| Material | RUBBER |
| 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 |
|---|---|
| 3B23 PRIMARY | Charles Bond Company Dba Christiana Machine Company (USA) |
| Reference | Meaning |
|---|---|
| B323-2 | 5/9 Secondary reference Charles Bond Company Dba Christiana Machine Company |
NSN 3010-00-528-0797 is a Insert,flexible Coupling, manufactured by Charles Bond Company Dba Christiana Machine Company, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-528-0797 has 1 manufacturer part number on file: 3B23 (Charles Bond Company Dba Christiana Machine Company).
1 possible match (shared part number, not a government interchangeability claim): 5340-00-927-4261. Verify interchangeability with system specifications before substitution.
Key specifications for 3B23: Overall Thickness: 0.531 INCHES NOMINAL IN; Style Designator: SPIDER; Overall Outside Diameter: 2.313 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.