The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-203-1653, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Instruments and Flight Research, Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3010-00-203-1653 |
| Primary Part Number | 5437 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — No Item Name Available |
| Manufacturer | Instruments and Flight Research, Inc. |
| Status | CANCELLED |
| Bore Shape | STRAIGHT BOTH ENDS |
| Design Type | INSULATOR W/SPRING ACTION |
| Furnished Items and Quantity | 4 SETSCREWS |
| Bore Length | 0.8130 INCHES NOMINAL BOTH ENDS IN |
| Width | 0.719 INCHES NOMINAL0.719 INCHES NOMINAL IN |
| Securing Method | THREADED HOLE(S) FIRST END |
| Bore Diameter | 0.2570 INCHES NOMINAL BOTH ENDS IN |
| Threaded Hole Location | BOTH ENDS: LOCATED ON HUBS |
| Thread Size Designator | NO. 6-32 BOTH ENDS |
| Threaded Hole Quantity | 4 BOTH ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5437 PRIMARY | Instruments and Flight Research, Inc. (USA) |
| A239235-2 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| 031020-0000 PRIMARY | Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA) |
| 39001 | Bell Industries Inc J W Miller Magnetics Div (USA) |
| 31020 | Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA) |
NSN 3010-00-203-1653 is a Coupling,shaft,flexible, manufactured by Instruments and Flight Research, Inc., classified under FSC 3010 (No Item Name Available). Status: cancelled.
NSN 3010-00-203-1653 has 5 cross-referenced part numbers: 5437 (Instruments and Flight Research, Inc.), A239235-2 (Raytheon Company Dba Raytheon Co), 031020-0000 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")), 39001 (Bell Industries Inc J W Miller Magnetics Div), 31020 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")).
There are 12 known substitutes for 3010-00-203-1653: 5920-00-068-3007, 6240-00-143-7510, 5310-00-146-7214 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5437: Bore Shape: STRAIGHT BOTH ENDS; Design Type: INSULATOR W/SPRING ACTION; Furnished Items and Quantity: 4 SETSCREWS; Overall Length: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 3010-00-203-1653 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.