The Valve,check, cataloged under National Stock Number 4820-01-144-7735, 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 11 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-144-7735 |
| Primary Part Number | 2341 1IN |
| 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 |
| Flow Control Device | DISK |
| Style Designator | STRAIGHT THRU |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Nominal Pipe Size Accommodated | 1.000 INCHES ALL ENDS IN |
| Material | STEEL UNS J92900 FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM A351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM A351,GRADE CF3M ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material | STEEL UNS J92800 BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2341 1INL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2341 1IN PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 60647 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
NSN 4820-01-144-7735 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 4820-01-144-7735 has 3 cross-referenced part numbers: 2341 1INL1 (Naval Inventory Control Point Mechanicsburg), 2341 1IN (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 60647 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
There are 9 known substitutes for 4820-01-144-7735: 9540-00-251-1798, 2990-01-061-4798, 4820-01-138-2277 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2341 1IN: Flow Control Device: DISK; Style Designator: STRAIGHT THRU; Connection Style: SOCKET (PIPE) ALL ENDS; Mounting Position: HORIZONTAL. 11 total characteristics are documented in the Federal Logistics Information System.