The Valve,check, cataloged under National Stock Number 4820-00-288-7151, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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 | 4820-00-288-7151 |
| Primary Part Number | 590-1/2 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| Status | CANCELLED |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | BALL |
| Maximum Operating Temp | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Material Document and Classification | ASTM B-16 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Thread Series Designator | NPT ALL ENDS |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Style Designator | STRAIGHT THRU |
| Material | COPPER ALLOY 922 BODY |
| Material | COPPER ALLOY 922 SEAT |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Disk Loading Method | WEIGHT |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FIG4161/2IN | Lunkenheimer Co (USA) |
| 590-1/2 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 590 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 416-1/2 | Lunkenheimer Co (USA) |
NSN 4820-00-288-7151 is a Valve,check, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-288-7151 has 4 cross-referenced part numbers: FIG4161/2IN (Lunkenheimer Co), 590-1/2 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 590 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 416-1/2 (Lunkenheimer Co).
There are 12 known substitutes for 4820-00-288-7151: 3455-00-228-5295, 5945-00-258-3274, 5945-00-789-5106 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 590-1/2: Connection Type: THREADED INTERNAL PIPE ALL ENDS; Valve Operation Method: AUTOMATIC; Flow Control Device: BALL; Maximum Operating Temp: 500.0 FAHRENHEIT SINGLE RESPONSE DEGF. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-288-7151 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.