The Valve,check, cataloged under National Stock Number 4820-00-202-7043, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Goodrich Corporation Dba Goodrich Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-202-7043 |
| Primary Part Number | 557-2D |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Goodrich Corporation Dba Goodrich Corp |
| Status | CANCELLED |
| Style Designator | STRAIGHT THRU |
| Connection Type | UNTHREADED EXTERNAL HOSE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Connection Style | BEADED (HOSE) ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Material | ALUMINUM ALLOY SEAT |
| Material | ALUMINUM ALLOY SEAT |
| Disk Loading Method | SPRING |
| Material | ALUMINUM ALLOY BODY |
| Style Designator | STRAIGHT THRU |
| Flow Control Device | DISK |
| Material | ALUMINUM ALLOY BODY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4820-00-202-7043 is a Valve,check, manufactured by Goodrich Corporation Dba Goodrich Corp, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-202-7043 has 3 cross-referenced part numbers: 557-2D (Goodrich Corporation Dba Goodrich Corp), 557-2C (Goodrich Corporation Dba Goodrich Corp), 557-2 (Goodrich Corporation Dba Goodrich Corp).
There are 7 known substitutes for 4820-00-202-7043: 5325-00-803-7301, 5962-01-055-1868, 3120-01-332-0043 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 557-2D: Style Designator: STRAIGHT THRU; Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS; Valve Operation Method: AUTOMATIC; Connection Style: BEADED (HOSE) ALL ENDS. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-202-7043 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.