The Coupling Half,shaft, cataloged under National Stock Number 3010-01-317-7555, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-317-7555 |
| Primary Part Number | 1321393 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Body Style | 2 PERIPHERAL KEYWAYS, THROUGH BORE |
| Spline Major Diameter | 1.250 INCHES NOMINAL IN |
| Outside Diameter | 3.843 INCHES NOMINAL IN |
| Bore Shape | SPLINED |
| Spline Quantity | 19 |
| Material | STEEL |
| 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 |
|---|---|
| 1321393 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| DBZ126 COUPLING HUB | Rexnord Industries, Llc Div Couplings Division (USA) |
| Reference | Meaning |
|---|---|
| 126DBZ | 5/9 Secondary reference Rexnord Industries, Llc Div Couplings Division |
NSN 3010-01-317-7555 is a Coupling Half,shaft, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-317-7555 has 2 manufacturer part numbers on file: 1321393 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), DBZ126 COUPLING HUB (Rexnord Industries, Llc Div Couplings Division).
Key specifications for 1321393: Body Style: 2 PERIPHERAL KEYWAYS, THROUGH BORE; Overall Length: 1.500 INCHES NOMINAL IN; Spline Major Diameter: 1.250 INCHES NOMINAL IN; Outside Diameter: 3.843 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.