The Valve,check, cataloged under National Stock Number 4820-00-943-1014, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-943-1014 |
| Primary Part Number | 2620-902ASSYB1 1-2L1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Mounting Position | HORIZONTAL |
| Material | NICKEL ALLOY STEM |
| Renewable Seat Ring Type | THREADED |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Nominal Pipe Size Accommodated | 1.500 INCHES FIRST END IN |
| Material | COPPER ALLOY BODY |
| Style Designator | ANGLE |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Criticality Code Justification | ZZZY |
| Connection Style | SOCKET WITH BRAZING RING (PIPE) FIRST END |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2620-902ASSYB1 1-2L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2620-902 | The Walworth Company (USA) |
| 2620-902L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| SS845-1889587ASSYB1 1-2 | Naval Ship Systems Command (USA) |
| 2620-902ASSYB1 1-2 | Unimasco Inc (USA) |
| SS845-1889587ASSYB1 1-2L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2620-902 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 4820-00-943-1014 is a Valve,check, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-943-1014 has 7 cross-referenced part numbers: 2620-902ASSYB1 1-2L1 (Naval Inventory Control Point Mechanicsburg), 2620-902 (The Walworth Company), 2620-902L1 (Naval Inventory Control Point Mechanicsburg), SS845-1889587ASSYB1 1-2 (Naval Ship Systems Command), 2620-902ASSYB1 1-2 (Unimasco Inc) and 2 more.
There are 9 known substitutes for 4820-00-943-1014: 4820-00-922-8422, 4820-00-926-4214, 4820-00-943-1011 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2620-902ASSYB1 1-2L1: Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS; Mounting Position: HORIZONTAL; Material: NICKEL ALLOY STEM; Renewable Seat Ring Type: THREADED. 13 total characteristics are documented in the Federal Logistics Information System.