The Valve,check, cataloged under National Stock Number 4820-01-170-9776, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references 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 | 4820-01-170-9776 |
| Primary Part Number | 81238 FIG 2341 |
| 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 | ACTIVE |
| Material Document and Classification | ASTM A351, GRADE CF3M ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Operation Method | AUTOMATIC |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material | STEEL BODY |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU |
| Maximum Operating Temp | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material Document and Classification | ASTM A351, GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Material | STEEL FLOW CONTROL DEVICE |
| Flow Control Device | DISK |
| Mounting Facility | THREADED FASTENER |
| Connection Style | REDUCED SOCKET (PIPE) ALL ENDS |
| Nominal Pipe Size Accommodated | 2.000 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 60647-H | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 60647H PART 81238 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 81238 FIG 2341 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 81238 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
NSN 4820-01-170-9776 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: active.
NSN 4820-01-170-9776 has 4 cross-referenced part numbers: 60647-H (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 60647H PART 81238 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 81238 FIG 2341 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 81238 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
There is 1 known substitute for 4820-01-170-9776: 6515-01-647-5068. Verify interchangeability with system specifications before substitution.
Key specifications for 81238 FIG 2341: Material Document and Classification: ASTM A351, GRADE CF3M ASSN STD SINGLE MATERIAL RESPONSE BODY; Valve Operation Method: AUTOMATIC; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Material: STEEL BODY. 14 total characteristics are documented in the Federal Logistics Information System.