The Valve,check, cataloged under National Stock Number 4820-01-385-4473, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 4 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-385-4473 |
| Primary Part Number | 28993 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems |
| Status | ACTIVE |
| Operating Pressure | 12.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | SCREW-IN CARTRIDGE |
| Flow Control Device | POPPET |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 28993 PRIMARY | Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA) |
NSN 4820-01-385-4473 is a Valve,check, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-385-4473 has 1 cross-referenced part number: 28993 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).
There is 1 known substitute for 4820-01-385-4473: 9540-00-801-5748. Verify interchangeability with system specifications before substitution.
Key specifications for 28993: Operating Pressure: 12.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Style Designator: SCREW-IN CARTRIDGE; Flow Control Device: POPPET; Valve Operation Method: AUTOMATIC. 4 total characteristics are documented in the Federal Logistics Information System.