The Valve,ball, cataloged under National Stock Number 4820-00-331-1777, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-331-1777 |
| Primary Part Number | WW-V-35 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Material | COPPER ALLOY BODY |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Series Designator | ANPT ALL ENDS |
| Material | COPPER ALLOY STEM |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Valve Operation Method | MANUAL |
| Style Designator | STRAIGHT THRU |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Renewable Seat Ring Type | PRESSED-IN |
| Bonnet Attachment Method | THREADED |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Bonnet Type | INSIDE SCREW |
| Maximum Operating Temp | -20.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| WW-V-35 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 1-4211B-SE | Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA) |
| 4211B1IN | Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA) |
| MSS-SP 110 | Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA) |
NSN 4820-00-331-1777 is a Valve,ball, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-331-1777 has 4 cross-referenced part numbers: WW-V-35 (Federal Specifications Promulgated by General Services Administration Washington DC), 1-4211B-SE (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609), 4211B1IN (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609), MSS-SP 110 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc).
There are 12 known substitutes for 4820-00-331-1777: 4820-00-052-4646, 4820-00-052-4647, 4820-00-052-4651 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for WW-V-35: Connection Type: THREADED INTERNAL PIPE ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS; Material: COPPER ALLOY BODY; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 18 total characteristics are documented in the Federal Logistics Information System.