The Valve,check, cataloged under National Stock Number 4820-01-642-8409, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is United States Plastic Corp. Government technical data includes 3 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-642-8409 |
| Primary Part Number | 18508 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | United States Plastic Corp |
| Status | ACTIVE |
| Valve Size | 2.0 INCHES IN |
| Material | PLASTIC OVERALL |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18508 PRIMARY | United States Plastic Corp (USA) |
NSN 4820-01-642-8409 is a Valve,check, manufactured by United States Plastic Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-642-8409 has 1 cross-referenced part number: 18508 (United States Plastic Corp).
There are 7 known substitutes for 4820-01-642-8409: 5306-00-022-7855, 3010-00-107-0248, 2530-00-163-2454 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18508: Special Features: USA 2" OVERSEA METRICS 50MM MM; Valve Size: 2.0 INCHES IN; Material: PLASTIC OVERALL; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 4 total characteristics are documented in the Federal Logistics Information System.