The Valve,stop-Check, cataloged under National Stock Number 4820-01-227-0998, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Admiral Valve Llc Dba Cpv Manufacturing. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-227-0998 |
| Primary Part Number | 580-6 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Admiral Valve Llc Dba Cpv Manufacturing |
| Status | ACTIVE |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Thread Series Designator | NPT ALL ENDS |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Nominal Thread Size | 1.250 INCHES ALL ENDS IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Valve Operation Method | MANUAL |
| Style Designator | STRAIGHT THRU |
| Material | PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING STEM |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Attachment Method | THREADED |
| Maximum Operating Temp | 225.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flow Control Device | DISK |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Material | NICKEL ALLOY SEAT |
| Material | COPPER ALLOY BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 580-6 PRIMARY | Admiral Valve Llc Dba Cpv Manufacturing (USA) |
NSN 4820-01-227-0998 is a Valve,stop-Check, manufactured by Admiral Valve Llc Dba Cpv Manufacturing, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-227-0998 has 1 cross-referenced part number: 580-6 (Admiral Valve Llc Dba Cpv Manufacturing).
There are 12 known substitutes for 4820-01-227-0998: 5305-00-281-6364, 5330-00-383-8779, 3120-00-499-8063 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 580-6: Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Thread Series Designator: NPT ALL ENDS; Bonnet Type: OUTSIDE SCREW-YOKE; Nominal Thread Size: 1.250 INCHES ALL ENDS IN. 17 total characteristics are documented in the Federal Logistics Information System.