The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-554-8009, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-554-8009 |
| Primary Part Number | C681618-1 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Keyway Depth | 0.0937 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: CENTERED 0.531 IN. FROM FACE OF HUB, 180 DEG FROM KEYWAY IN |
| Bore Length | 1.5625 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 0.312-18 BOTH ENDS |
| Keyway Width | 0.188 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 0.8750 INCHES NOMINAL BOTH ENDS IN |
| Furnished Items and Quantity | SETSCREW 2 |
| Insert Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3010-00-554-8009 is a Coupling,shaft,flexible, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-554-8009 has 3 manufacturer part numbers on file: FCR20-7-8 (Altra Industrial Motion Corp.), C681618-1 (Raytheon Company Dba Raytheon Co), 92757C (Lovejoy, Llc Div Lovejoy).
Key specifications for C681618-1: Keyway Depth: 0.0937 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: CENTERED 0.531 IN. FROM FACE OF HUB, 180 DEG FROM KEYWAY IN; Bore Length: 1.5625 INCHES NOMINAL BOTH ENDS IN. 16 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.