The Coupling Half,shaft, cataloged under National Stock Number 3010-00-377-3373, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Paragon Power Inc Sub of Great Lakes Power Products Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-00-377-3373 |
| Primary Part Number | RB20-208 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Paragon Power Inc Sub of Great Lakes Power Products Inc |
| Status | ACTIVE |
| Bore Length | 2.7200 INCHES NOMINAL IN |
| Outside Diameter | 5.500 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT |
| Bore Diameter | 1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN |
| Material | IRON |
| 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 |
|---|---|
| RB20-208 PRIMARY | Paragon Power Inc Sub of Great Lakes Power Products Inc (USA) |
| Reference | Meaning |
|---|---|
| RB20-208 | 5/9 Secondary reference U.S. Government activity |
NSN 3010-00-377-3373 is a Coupling Half,shaft, manufactured by Paragon Power Inc Sub of Great Lakes Power Products Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-377-3373 has 1 manufacturer part number on file: RB20-208 (Paragon Power Inc Sub of Great Lakes Power Products Inc).
Key specifications for RB20-208: Bore Length: 2.7200 INCHES NOMINAL IN; Overall Length: 3.340 INCHES NOMINAL IN; Outside Diameter: 5.500 INCHES NOMINAL IN; Features Provided: KEYWAY. 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.