The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-428-5505, 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 Chicago Fittings. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 4730-00-428-5505 |
| Primary Part Number | R500-4 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Chicago Fittings |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Connection Type | THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END |
| Nominal Pipe Size Accommodated | 0.125 INCHES SECOND END0.125 INCHES SECOND END IN |
| Thread Class | 2A FIRST END2A FIRST END A |
| Nominal Thread Size | 0.125 INCHES SECOND END0.125 INCHES SECOND END IN |
| Surface Treatment | CADMIUM OUTSIDE |
| Connection Style | GASKET SEAL (TUBE) FIRST ENDGASKET SEAL (TUBE) FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Operating Pressure | 5200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Series Designator | NPTF SECOND END |
| Surface Treatment | CADMIUM OUTSIDECADMIUM INSIDE |
| Furnished Items and Quantity | 1 CUSHION UNIT AND 1 SHORT COUPLING NUT |
| Nominal Thread Size | 0.562 INCHES FIRST END0.562 INCHES FIRST END IN |
| Thread Quantity Per Inch | 20 FIRST END20 FIRST END |
| Connection Style | PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END |
| Thread Series Designator | NPTF SECOND ENDUN FIRST END |
| Nominal Overall Length | 0.984 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R500-4 PRIMARY | Chicago Fittings (USA) |
NSN 4730-00-428-5505 is a Adapter,straight,pipe to Tube, manufactured by Chicago Fittings, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-428-5505 has 1 cross-referenced part number: R500-4 (Chicago Fittings).
There is 1 known substitute for 4730-00-428-5505: 4720-00-857-1732. Verify interchangeability with system specifications before substitution.
Key specifications for R500-4: Material: STEEL OVERALL; Connection Type: THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END; Nominal Pipe Size Accommodated: 0.125 INCHES SECOND END0.125 INCHES SECOND END IN; Thread Class: 2A FIRST END2A FIRST END A. 18 total characteristics are documented in the Federal Logistics Information System.