The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-197-3678, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Spencer Turbine Company the. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-197-3678 |
| Primary Part Number | 187955-FORMAA10-PC1 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Spencer Turbine Company the |
| Status | ACTIVE |
| Keyway Depth | 0.1250 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INTERNAL GEAR |
| 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 |
|---|---|
| 187955-FORMAA10-PC1 PRIMARY | Spencer Turbine Company the (USA) |
| Reference | Meaning |
|---|---|
| 187955-F0RM AA1 | C/1 Advisory reference — outside the item-of-supply concept Spencer Turbine Company the |
NSN 3010-01-197-3678 is a Coupling,shaft,flexible, manufactured by Spencer Turbine Company the, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-197-3678 has 1 manufacturer part number on file: 187955-FORMAA10-PC1 (Spencer Turbine Company the).
Key specifications for 187955-FORMAA10-PC1: Keyway Depth: 0.1250 INCHES NOMINAL BOTH ENDS IN; Design Type: INTERNAL GEAR; Overall Length: 3.750 INCHES NOMINAL IN. 2 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.