The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-252-6266, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rexnord Industries Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-252-6266 |
| Primary Part Number | 0707070 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Rexnord Industries Llc |
| Status | ACTIVE |
| Bore Length | 3.8750 INCHES NOMINAL BOTH ENDS IN |
| Design Type | GRID SPRING |
| Outside Diameter | 4.375 INCHES NOMINAL IN |
| Features Provided | EXPOSED COUPLING BOLT TYPE AND TAPERED GRID SPRING AND SHROUDED COUPLING BOLT TYPE |
| Bore Shape | ROUGH STOCK BOTH ENDS |
| Bore Diameter | 1.3750 INCHES NOMINAL BOTH ENDS IN |
| 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 |
|---|---|
| 0707070 PRIMARY | Rexnord Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 1030T10 | 5/9 Secondary reference Rexnord Industries Llc |
| ST52D10 | 5/9 Secondary reference Lockheed Martin Corp |
| 30T10 | 5/9 Secondary reference Rexnord Industries Llc |
| FALKT1030T | 5/9 Secondary reference Rexnord Industries Llc |
| ST52D10-1 | 5/9 Secondary reference Lockheed Martin Corp |
| T10-30T | C/1 Advisory reference — outside the item-of-supply concept Rexnord Industries Llc |
NSN 3010-00-252-6266 is a Coupling,shaft,flexible, manufactured by Rexnord Industries Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-252-6266 has 1 manufacturer part number on file: 0707070 (Rexnord Industries Llc).
2 possible matches (shared part number, not a government interchangeability claim): 3010-01-289-7459, 3010-01-290-5058. Verify interchangeability with system specifications before substitution.
Key specifications for 0707070: Bore Length: 3.8750 INCHES NOMINAL BOTH ENDS IN; Design Type: GRID SPRING; Overall Length: 3.875 INCHES NOMINAL IN; Outside Diameter: 4.375 INCHES NOMINAL IN. 6 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.