The Valve,check, cataloged under National Stock Number 4820-00-287-6010, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 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 | 4820-00-287-6010 |
| Primary Part Number | FIG G-931 SZ 3 IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Stockham Valves and Fittings Inc |
| Status | CANCELLED |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Renewable Seat Ring Type | THREADED |
| Material | COPPER ALLOY 922 SEAT |
| Nominal Outside Diameter | 7.500 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Nominal Thickness | 0.750 INCHES ALL ENDS IN |
| Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Material Document and Classification | ASTM B-62(B) ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Material | IRON CAST UNS F12102 BODY |
| Flow Control Device | DISK |
| Material | COPPER ALLOY 922 FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| Connection Type | FLANGE ALL ENDS |
| Material Document and Classification | ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Valve Size | 3.000 INCHES IN |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Face to Face Distance | 9.500 INCHES IN |
| Maximum Operating Temp | 450.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Bolt Circle Nominal Diameter | 6.000 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Flange Face Design | PLAIN ALL ENDS |
| Material Document and Classification | ASTM A-126 CLASS B ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| IR1124 3INCH | Hammond Valve Corp (USA) |
| FIG G-931 SZ 3 IN PRIMARY | Stockham Valves and Fittings Inc (USA) |
| 216 | Conbraco Industries Inc R-P and C Valve Div (USA) |
| F-918-B-3 | Nibco Inc (USA) |
| G931 | Stockham Valves and Fittings Inc (USA) |
| G-931 3.0IN PRIMARY | Stockham Valves and Fittings Inc (USA) |
| M928F | The Walworth Company (USA) |
| 373-3IN PRIMARY | Crane Co Div Valve Div (USA) |
| 373 | Crane Co Div Valve Div (USA) |
| 1790 | Lunkenheimer Co (USA) |
NSN 4820-00-287-6010 is a Valve,check, manufactured by Stockham Valves and Fittings Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-287-6010 has 10 cross-referenced part numbers: IR1124 3INCH (Hammond Valve Corp), FIG G-931 SZ 3 IN (Stockham Valves and Fittings Inc), 216 (Conbraco Industries Inc R-P and C Valve Div), F-918-B-3 (Nibco Inc), G931 (Stockham Valves and Fittings Inc) and 5 more.
There are 12 known substitutes for 4820-00-287-6010: 3120-00-009-9172, 4730-00-050-4207, 5310-00-238-1035 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FIG G-931 SZ 3 IN: Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS; Renewable Seat Ring Type: THREADED; Material: COPPER ALLOY 922 SEAT; Nominal Outside Diameter: 7.500 INCHES ALL ENDS IN. 28 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-287-6010 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.