The Valve,check, cataloged under National Stock Number 4820-01-030-5140, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Henry Technologies, Inc.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-030-5140 |
| Primary Part Number | SP143 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Henry Technologies, Inc. |
| Status | ACTIVE |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Thread Class | 2A ALL ENDS A |
| Material | COPPER ALLOY BODY |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | REFRIGERANT, HALOGENATED SINGLE RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Disk Loading Method | SPRING |
| Thread Series Designator | UNF ALL ENDS |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Nominal Thread Size | 0.625 INCHES ALL ENDS IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Material | RUBBER SYNTHETIC SEAT |
| Flow Control Device | POPPET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-030-5140 is a Valve,check, manufactured by Henry Technologies, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-030-5140 has 2 cross-referenced part numbers: SP143 (Henry Technologies, Inc.), 119-5/8 (Henry Technologies, Inc.).
There are 10 known substitutes for 4820-01-030-5140: 4820-00-336-9245, 3120-00-516-9937, 5975-00-714-8031 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for SP143: Maximum Operating Temp: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Mounting Position: HORIZONTAL OR VERTICAL; Thread Class: 2A ALL ENDS A; Material: COPPER ALLOY BODY. 18 total characteristics are documented in the Federal Logistics Information System.