The Valve,check, cataloged under National Stock Number 4820-00-902-4942, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rbc Transport Dynamics Corp Div Rbc Transport Dynamics. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-902-4942 |
| Primary Part Number | 989223 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Material | COPPER ALLOY 360 AND PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE |
| Maximum Operating Temp | 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | COPPER ALLOY 836 SEAT |
| Material | COPPER ALLOY 836 BODY |
| Valve Operation Method | AUTOMATIC |
| Material Document and Classification | QQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | QQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter Tube Accommodated | 2.125 INCHES FIRST END IN |
| Mounting Position | HORIZONTAL |
| Connection Style | SOCKET (TUBE) ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-902-4942 is a Valve,check, manufactured by Rbc Transport Dynamics Corp Div Rbc Transport Dynamics, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-902-4942 has 2 cross-referenced part numbers: 989223 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), 205-2-1-8 (Henry Technologies, Inc.).
There are 5 known substitutes for 4820-00-902-4942: 4820-00-288-8602, 5315-00-616-5515, 1680-00-790-2760 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 989223: Flow Control Device: POPPET; Material: COPPER ALLOY 360 AND PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE; Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF; Material: COPPER ALLOY 836 SEAT. 16 total characteristics are documented in the Federal Logistics Information System.