The Valve,check, cataloged under National Stock Number 4820-01-254-5526, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Deltrol Corp Deltrol Fluid Products Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-254-5526 |
| Primary Part Number | C30-B |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Deltrol Corp Deltrol Fluid Products Div |
| Status | ACTIVE |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Thread Series Designator | NPTF ALL ENDS |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Maximum Operating Temp | 400.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Material | COPPER ALLOY BODY |
| Flow Control Device | BALL |
| Disk Loading Method | SPRING |
| Valve Operation Method | AUTOMATIC |
| Style Designator | STRAIGHT THRU |
| Maximum Operating Temp | -15.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 169512-001 | L3harris Technologies, Inc. Dba Harris Corporation Div L3harris Technologies Inc Dba Harris Corporation (USA) |
| C30-B PRIMARY | Deltrol Corp Deltrol Fluid Products Div (USA) |
NSN 4820-01-254-5526 is a Valve,check, manufactured by Deltrol Corp Deltrol Fluid Products Div, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-254-5526 has 2 cross-referenced part numbers: 169512-001 (L3harris Technologies, Inc. Dba Harris Corporation Div L3harris Technologies Inc Dba Harris Corporation), C30-B (Deltrol Corp Deltrol Fluid Products Div).
There are 4 known substitutes for 4820-01-254-5526: 5330-00-900-2340, 5961-00-990-0233, 5961-01-141-8596 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for C30-B: Nominal Thread Size: 0.500 INCHES ALL ENDS IN; Thread Series Designator: NPTF ALL ENDS; Operating Pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Thread Direction: RIGHT-HAND ALL ENDS. 16 total characteristics are documented in the Federal Logistics Information System.