The Nut,tube Coupling, cataloged under National Stock Number 4730-01-147-4906, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Eg&g, Inc. Optoelectronics Division Div Judson Technologies. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-147-4906 |
| Primary Part Number | J4476 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Eg&g, Inc. Optoelectronics Division Div Judson Technologies |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nut Style | TUBE COUPLING |
| Thread Quantity Per Inch | 40 |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Nominal Thread Size | 0.125 INCHES IN |
| Nut Height | 0.350 INCHES NOMINAL IN |
| Material | STEEL COMP 303SE OVERALL |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-01-147-4906 is a Nut,tube Coupling, manufactured by Eg&g, Inc. Optoelectronics Division Div Judson Technologies, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-147-4906 has 3 cross-referenced part numbers: J4476 (Eg&g, Inc. Optoelectronics Division Div Judson Technologies), 4476 (Raytheon Company Dba Raytheon), 4476 (Eg&g, Inc. Optoelectronics Division Div Judson Technologies).
There are 7 known substitutes for 4730-01-147-4906: 5940-00-259-9057, 1630-00-347-7846, 5998-00-968-5509 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for J4476: Thread Series: UNIFIED NATIONAL COARSE (UNC); Nut Style: TUBE COUPLING; Thread Quantity Per Inch: 40; Width Across Flats: 0.188 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.