The Valve,lift-Check, cataloged under National Stock Number 4820-00-287-2778, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lunkenheimer Co. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 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 | 4820-00-287-2778 |
| Primary Part Number | FIG231 |
| Item Name | Valve,lift-Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Lunkenheimer Co |
| Status | CANCELLED |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Material | COPPER ALLOY 836 SEAT |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | COPPER ALLOY 836 BODY |
| Nominal Thread Size | 2.000 INCHES ALL ENDS IN |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Material Document and Classification | ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Thread Series Designator | NPT ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Flow Control Device | DISK |
| Material Document and Classification | ASTM D1457 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Bonnet Type | PACKING RETAINING |
| Valve Operation Method | MANUAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FIG231 | Lunkenheimer Co (USA) |
| FIG516-2IN | Oic Valve Corp (USA) |
| IB948 SIZE 2 IN | Hammond Valve Corp (USA) |
| MSS-SP-80 | Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA) |
| 890-2 | Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA) |
| 1B948-2IN | Hammond Valve Corp (USA) |
| 117A2IN | Jenkins Bros (USA) |
| FIG 231 2 IN | Lunkenheimer Co (USA) |
NSN 4820-00-287-2778 is a Valve,lift-Check, manufactured by Lunkenheimer Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-287-2778 has 8 cross-referenced part numbers: FIG231 (Lunkenheimer Co), FIG516-2IN (Oic Valve Corp), IB948 SIZE 2 IN (Hammond Valve Corp), MSS-SP-80 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc), 890-2 (Kennedy Valve Div of Itt Grinnell Valve Co Inc) and 3 more.
There are 12 known substitutes for 4820-00-287-2778: 5975-00-280-3509, 4820-00-287-2777, 2930-00-679-6839 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FIG231: Material: PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; Material: COPPER ALLOY 836 SEAT; Media for Which Designed: STEAM FIRST RESPONSE. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-287-2778 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.