The Valve,check, cataloged under National Stock Number 4820-00-922-2801, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-922-2801 |
| Primary Part Number | 6861 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Valve Operation Method | AUTOMATIC |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Connection Style | SOCKET (PIPE) FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Criticality Code Justification | ZZZY |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| Style Designator | STRAIGHT THRU |
| Nominal Pipe Size Accommodated | 0.750 INCHES FIRST END IN |
| Flow Control Device | DISK |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6861 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 6861REV7L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 6861REV7 | National Oilwell (USA) |
| 6861REV7 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 6861L1 | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 4820-00-922-2801 is a Valve,check, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-922-2801 has 5 cross-referenced part numbers: 6861 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 6861REV7L1 (Naval Inventory Control Point Mechanicsburg), 6861REV7 (National Oilwell), 6861REV7 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 6861L1 (Naval Inventory Control Point Mechanicsburg).
There are 10 known substitutes for 4820-00-922-2801: 1560-00-001-6972, 5905-00-036-8855, 4820-00-485-9329 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6861: Valve Operation Method: AUTOMATIC; Mounting Position: HORIZONTAL OR VERTICAL; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Connection Style: SOCKET (PIPE) FIRST END. 12 total characteristics are documented in the Federal Logistics Information System.