The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-253-1405, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Viking Technologies, Ltd.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-253-1405 |
| Primary Part Number | SA8774REV3 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Bore Length | 0.5250 INCHES MINIMUM FIRST END IN |
| Bore Length | 0.5570 INCHES MAXIMUM SECOND END IN |
| Design Type | NONINSULATOR SPRING ACTION |
| Outside Diameter | 1.063 INCHES NOMINAL IN |
| Furnished Items and Quantity | 4 SETSCREWS |
| 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 |
|---|---|
| SA8774REV3 PRIMARY | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| SA8774REV3 | 5/9 Secondary reference Dar Electronics Inc Commercial Products Div Dba National Radio Co |
| SA8774REV3 | 5/9 Secondary reference U.S. Government activity |
NSN 3010-00-253-1405 is a Coupling,shaft,flexible, manufactured by Viking Technologies, Ltd., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-253-1405 has 1 manufacturer part number on file: SA8774REV3 (Viking Technologies, Ltd.).
Key specifications for SA8774REV3: Bore Length: 0.5250 INCHES MINIMUM FIRST END IN; Bore Length: 0.5570 INCHES MAXIMUM SECOND END IN; Design Type: NONINSULATOR SPRING ACTION; Overall Length: 0.541 INCHES NOMINAL IN. 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.