The Valve,diaphragm,stop, cataloged under National Stock Number 4820-01-572-4503, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milton Roy Llc Dba Milton Roy Americas. Government technical data includes 11 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-572-4503 |
| Primary Part Number | 35850 |
| Item Name | Valve,diaphragm,stop |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Milton Roy Llc Dba Milton Roy Americas |
| Status | ACTIVE |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Thread Series Designator | NPT ALL ENDS |
| Style Designator | DROP-IN CARTRIDGE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Nominal Pipe Size Accommodated | 0.500 MILLIMETERS ALL ENDS MM |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Valve Operation Method | MANUAL |
| Maximum Operating Temp | 140.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | PLASTIC POLYVINYLIDENE CHLORIDE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-572-4503 is a Valve,diaphragm,stop, manufactured by Milton Roy Llc Dba Milton Roy Americas, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-572-4503 has 2 cross-referenced part numbers: 35850 (Milton Roy Co Flow Control Div), 35850 (Milton Roy Llc Dba Milton Roy Americas).
There are 5 known substitutes for 4820-01-572-4503: 2925-00-090-4897, 6625-00-096-7124, 6730-00-937-6043 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 35850: Special Features: 100 GPH PULSATING, 300 GPH CONTINUOUS FLOW; Nominal Thread Size: 0.500 INCHES ALL ENDS IN; Thread Series Designator: NPT ALL ENDS; Style Designator: DROP-IN CARTRIDGE. 12 total characteristics are documented in the Federal Logistics Information System.