The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-445-5702, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-445-5702 |
| Primary Part Number | 1378AS199-1 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Spline Type | INVOLUTE FIRST END |
| Bore Length | 1.4050 INCHES NOMINAL BOTH ENDS IN |
| Design Type | CLAMPING HUB |
| Spline Major Diameter | 1.2500 INCHES NOMINAL FIRST END IN |
| Outside Diameter | 4.8000 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | SPLINED FIRST END |
| Bore Shape | STRAIGHT SECOND END |
| Spline Pressure Angle in Deg | 30.0000 FIRST END |
| Spline Quantity | 14 FIRST END |
| Bore Diameter | 1.6250 INCHES NOMINAL SECOND END IN |
| Insert Material | PLASTIC POLYAMIDE NYLON |
| 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 |
|---|---|
| 1378AS199-1 | Southeast Power Systems of Orlando Inc (USA) |
| 1378AS199-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1378AS199 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 500-570U | 5/9 Secondary reference Magnaloy Coupling Co Div of Douville-Johnston Corp |
| 1378AS199-1 | 5/9 Secondary reference Dar Enterprises, Inc |
NSN 3010-01-445-5702 is a Coupling,shaft,flexible, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-445-5702 has 2 manufacturer part numbers on file: 1378AS199-1 (Southeast Power Systems of Orlando Inc), 1378AS199-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1378AS199-1: Spline Type: INVOLUTE FIRST END; Bore Length: 1.4050 INCHES NOMINAL BOTH ENDS IN; Design Type: CLAMPING HUB; Overall Length: 4.0600 INCHES NOMINAL IN. 12 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.