The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-426-7893, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-426-7893 |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Overall Thickness | 2.748 INCHES NOMINAL IN |
| Style Designator | SQUARE, ROUND BORE |
| Material | NICKEL ALLOY AND ALUMINUM ALLOY AND COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 211080544 | 5/9 Secondary reference Naval Sea Systems Command |
| 211080544 | 3/2 Design control — primary reference U.S. Government activity |
| 6408594 | D/9 Drawing number reference only Naval Sea Systems Command |
| 751-6408594 FIND 24 | 5/9 Secondary reference Naval Sea Systems Command |
| DF2230 3171 FN 24 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3010-01-426-7893 is a Insert,flexible Coupling, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-445-4792. Verify interchangeability with system specifications before substitution.
Key specifications for 3010-01-426-7893: Overall Thickness: 2.748 INCHES NOMINAL IN; Style Designator: SQUARE, ROUND BORE; Special Features: MATERIAL PER ASTM B150 ALLOY C63200, COATED WITH KARON TYPE V, USED ON TORPEDO TUBE SHUTTER DOOR DRIVE LINKAGES ASSEMBLY; End Item Identification: WEAPONS SYSTEM SEAWOLF CLASS SSN. 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.