The Valve,check, cataloged under National Stock Number 4820-01-641-2501, 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 2 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 | 4820-01-641-2501 |
| Primary Part Number | 18504 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | United States Plastic Corp |
| Status | ACTIVE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | PLASTIC BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18504 PRIMARY | United States Plastic Corp (USA) |
NSN 4820-01-641-2501 is a Valve,check, manufactured by United States Plastic Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-641-2501 has 1 cross-referenced part number: 18504 (United States Plastic Corp).
There are 7 known substitutes for 4820-01-641-2501: 3040-00-239-3406, 6515-00-321-9850, 5935-00-528-8443 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18504: Special Features: WEIGHT IS 0.9 LBS LBS; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Part Name Assigned by Controlling Agency: VALVE, CHECK, CPVC 3/4" (19.05MM) MM; Material: PLASTIC BODY. 4 total characteristics are documented in the Federal Logistics Information System.