The Valve,check, cataloged under National Stock Number 4820-00-288-7268, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Stockham Valves and Fittings Inc. Government technical data includes 19 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-288-7268 |
| Primary Part Number | B-364 SZ 1 1/2 IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Stockham Valves and Fittings Inc |
| Status | CANCELLED |
| Maximum Operating Temp | 550.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Nondefinitive Spec/std Data | 3 TYPE AND 300.0 PSI STEAM CLASS OR 1000.0 PSI WOG CLASS AND 1 1/2 IN. SIZE IN |
| Style Designator | STRAIGHT THRU |
| Material | COPPER ALLOY 922 BODY |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Material | COPPER ALLOY 922 FLOW CONTROL DEVICE |
| Thread Series Designator | NPT ALL ENDS |
| Specification/standard Data | 59646-MSS SP-80 MANUFACTURERS STANDARD |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Nominal Thread Size | 1.500 INCHES ALL ENDS IN |
| Mounting Position | HORIZONTAL |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Flow Control Device | DISK |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1B952-11-2 | Hammond Valve Corp (USA) |
| B364 | Stockham Valves and Fittings Inc (USA) |
| B-364 SZ 1 1/2 IN PRIMARY | Stockham Valves and Fittings Inc (USA) |
| MSS SP-80 | Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA) |
NSN 4820-00-288-7268 is a Valve,check, manufactured by Stockham Valves and Fittings Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-288-7268 has 4 cross-referenced part numbers: 1B952-11-2 (Hammond Valve Corp), B364 (Stockham Valves and Fittings Inc), B-364 SZ 1 1/2 IN (Stockham Valves and Fittings Inc), MSS SP-80 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc).
There are 4 known substitutes for 4820-00-288-7268: 3455-00-230-7037, 4820-00-844-4196, 6150-00-883-9744 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for B-364 SZ 1 1/2 IN: Maximum Operating Temp: 550.0 FAHRENHEIT FIRST RESPONSE DEGF; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Nondefinitive Spec/std Data: 3 TYPE AND 300.0 PSI STEAM CLASS OR 1000.0 PSI WOG CLASS AND 1 1/2 IN. SIZE IN; Style Designator: STRAIGHT THRU. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-288-7268 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.