The Valve,check, cataloged under National Stock Number 4820-00-287-4234, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-287-4234 |
| Primary Part Number | 578-2.5 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| Status | CANCELLED |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Flow Control Device | DISK |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Material | COPPER ALLOY 836 OVERALL |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Specification/standard Data | 59646-MSS SP-80 MANUFACTURERS STANDARD |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Material Document and Classification | ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Nondefinitive Spec/std Data | 2.0500 SIZE AND 3 TYPE |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Nominal Thread Size | 2.500 INCHES ALL ENDS IN |
| Thread Series Designator | NPT ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Maximum Operating Temp | 406.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Nominal Pipe Size Accommodated | 2.500 INCHES FIRST END IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 34 | Crane Co Div Valve Div (USA) |
| 578-2.5 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 198 | Conbraco Industries Inc R-P and C Valve Div (USA) |
| 103 | Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA) |
| B-319 2 1/2IN PRIMARY | Stockham Valves and Fittings Inc (USA) |
| MSS SP-80 | Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA) |
| 92A | Jenkins Bros (USA) |
| 478 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 134 | Lunkenheimer Co (USA) |
| B-319 SZ 2 1/2 IN PRIMARY | Stockham Valves and Fittings Inc (USA) |
| 87 | Scott Valve Mfg Co (USA) |
| WWV51 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| B319 | Stockham Valves and Fittings Inc (USA) |
| 0600 | Fairbanks Co the (USA) |
| 34-2-1-2 | Crane Co Div Valve Div (USA) |
NSN 4820-00-287-4234 is a Valve,check, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-287-4234 has 15 cross-referenced part numbers: 34 (Crane Co Div Valve Div), 578-2.5 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 198 (Conbraco Industries Inc R-P and C Valve Div), 103 (Kennedy Valve Div of Itt Grinnell Valve Co Inc), B-319 2 1/2IN (Stockham Valves and Fittings Inc) and 10 more.
There are 12 known substitutes for 4820-00-287-4234: 2810-00-037-6864, 6508-00-064-4176, 3110-00-100-0255 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 578-2.5: Connection Type: THREADED INTERNAL PIPE ALL ENDS; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Flow Control Device: DISK; Maximum Operating Temp: 150.0 FAHRENHEIT SECOND RESPONSE DEGF. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-287-4234 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.