The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-542-4004, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-542-4004 |
| Primary Part Number | 121770 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — No Item Name Available |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Bore Diameter | 0.2500 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 0.5000 INCHES NOMINAL FIRST END IN |
| Bore Shape | STRAIGHT BOTH ENDS |
| Thread Size Designator | 0.138-32 BOTH ENDS |
| Bellows Material | COPPER ALLOY |
| Outside Diameter | 0.956 INCHES NOMINAL IN |
| Threaded Hole Location | BOTH ENDS: CENTERED 0.156 IN. FROM FACE OF HUB, 90 DEG APART IN |
| Design Type | BELLOWS |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Quantity | 2 BOTH ENDS |
| Bore Length | 0.2500 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3010-542-4004 | Secs Inc (USA) |
| 987-3911 | Amf Inc Amf York Div (USA) |
| 121770 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
NSN 3010-00-542-4004 is a Coupling,shaft,flexible, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3010 (No Item Name Available). Status: active.
NSN 3010-00-542-4004 has 3 cross-referenced part numbers: 3010-542-4004 (Secs Inc), 987-3911 (Amf Inc Amf York Div), 121770 (Raytheon Company Dba Raytheon Co).
There is 1 known substitute for 3010-00-542-4004: 5940-01-088-5208. Verify interchangeability with system specifications before substitution.
Key specifications for 121770: Bore Diameter: 0.2500 INCHES NOMINAL SECOND END IN; Bore Diameter: 0.5000 INCHES NOMINAL FIRST END IN; Bore Shape: STRAIGHT BOTH ENDS; Thread Size Designator: 0.138-32 BOTH ENDS. 12 total characteristics are documented in the Federal Logistics Information System.