The Valve,stop-Check, cataloged under National Stock Number 4820-01-371-0205, 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 14 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 | 4820-01-371-0205 |
| Primary Part Number | 570-6 PL-4873C |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Admiral Valve Llc Dba Cpv Manufacturing |
| Status | ACTIVE |
| Material | STEEL COMP 316 STEM |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU |
| Furnished Items and Quantity | 1 HANDLE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Supplementary Features | FLOW CONTROL DEVICE: STEM |
| Material | NICKEL ALLOY SEAT |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material | STEEL BODY |
| Mounting Position | VERTICAL |
| Valve Operation Method | MANUAL |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Nominal Pipe Size Accommodated | 1.250 INCHES ALL ENDS IN |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 570-6 PL-4873C PRIMARY | Admiral Valve Llc Dba Cpv Manufacturing (USA) |
| 570-6 | Admiral Valve Llc Dba Cpv Manufacturing (USA) |
NSN 4820-01-371-0205 is a Valve,stop-Check, manufactured by Admiral Valve Llc Dba Cpv Manufacturing, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-371-0205 has 2 cross-referenced part numbers: 570-6 PL-4873C (Admiral Valve Llc Dba Cpv Manufacturing), 570-6 (Admiral Valve Llc Dba Cpv Manufacturing).
There are 10 known substitutes for 4820-01-371-0205: 4320-00-176-0501, 4730-00-263-5267, 4730-00-263-5269 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 570-6 PL-4873C: Material: STEEL COMP 316 STEM; Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Style Designator: STRAIGHT THRU; Furnished Items and Quantity: 1 HANDLE. 15 total characteristics are documented in the Federal Logistics Information System.