The Valve,check, cataloged under National Stock Number 4820-00-469-0308, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-469-0308 |
| Primary Part Number | 172-41-0287ALT9ASSY |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Face Design | PLAIN FIRST END |
| Nominal Outside Diameter | 5.562 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 4.438 INCHES FIRST END IN |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Flow Control Device | DISK |
| Connection Type | FLANGE FIRST END |
| Face to Face Distance | 6.750 INCHES IN |
| Mounting Position | HORIZONTAL |
| Bolt Hole Quantity | 6 FIRST END |
| Bolt Hole Nominal Diameter | 0.562 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 212-4808-795674ALT2PCV2 | Naval Ship Systems Command (USA) |
| 403-4503-984635ALT4PCV14 | Naval Ship Systems Command (USA) |
| 416-3604-1147273REVBPCV5 | Naval Ship Systems Command (USA) |
| 172-41-0287ALT9 | Naval Ship Systems Command (USA) |
| 18997ALT9 | Portsmouth Naval Shipyard (USA) |
| 172-41-0287ALT9ASSY PRIMARY | Naval Ship Systems Command (USA) |
| 29172 | Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (USA) |
| 6056 | Derbyshire Machine & Tool Co (USA) |
| 403-4503-984635ALT4PCV13 | Naval Ship Systems Command (USA) |
NSN 4820-00-469-0308 is a Valve,check, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-469-0308 has 9 cross-referenced part numbers: 212-4808-795674ALT2PCV2 (Naval Ship Systems Command), 403-4503-984635ALT4PCV14 (Naval Ship Systems Command), 416-3604-1147273REVBPCV5 (Naval Ship Systems Command), 172-41-0287ALT9 (Naval Ship Systems Command), 18997ALT9 (Portsmouth Naval Shipyard) and 4 more.
There are 3 known substitutes for 4820-00-469-0308: 3110-00-100-0643, 4520-00-232-4882, 3040-01-191-6640. Verify interchangeability with system specifications before substitution.
Key specifications for 172-41-0287ALT9ASSY: Style Designator: STRAIGHT THRU; Flange Shape: ROUND WITH HOLES FIRST END; Flange Face Design: PLAIN FIRST END; Nominal Outside Diameter: 5.562 INCHES FIRST END IN. 12 total characteristics are documented in the Federal Logistics Information System.