The Valve,gate, cataloged under National Stock Number 4820-01-185-9398, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-185-9398 |
| Primary Part Number | 2620-902X6ASSYAA 1IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | CANCELLED |
| Valve Operation Method | MANUAL |
| Valve Size | 1.000 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 250.0 FAHRENHEIT WATER-OIL-GAS DEGF |
| Material | COPPER ALLOY BODY |
| Stem Type | RISING |
| Inlet Relationship with Outlet | IDENTICAL |
| Operating Pressure and Type | 700.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Bonnet Type | INSIDE SCREW |
| Nominal Pipe Size Accommodated | 1.000 INCHES IN |
| Material | COPPER ALLOY DISK |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY SEAT |
| Connection Type | SOCKET, WELD, PIPE |
| Bonnet Attachment Method | THREADED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2620-902X6ASSYAA 1IN PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2620-902X6 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2620-902X6 PIECE 22 1 1/2IN PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-1889568 PIECE 22 1 1/2IN | Naval Ship Systems Command (USA) |
| 49WS 1IN SB BRZ PRIMARY | The Walworth Company (USA) |
| 845-1889568 | Naval Ship Systems Command (USA) |
| 845-1889568ASSYAA 1IN | Naval Ship Systems Command (USA) |
NSN 4820-01-185-9398 is a Valve,gate, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-185-9398 has 7 cross-referenced part numbers: 2620-902X6ASSYAA 1IN (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-902X6 (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-902X6 PIECE 22 1 1/2IN (Electric Boat Corporation Div General Dynamics Electric Boat), 845-1889568 PIECE 22 1 1/2IN (Naval Ship Systems Command), 49WS 1IN SB BRZ (The Walworth Company) and 2 more.
There are 6 known substitutes for 4820-01-185-9398: 4820-01-067-3957, 4820-01-075-6588, 4820-01-115-1995 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2620-902X6ASSYAA 1IN: Valve Operation Method: MANUAL; Valve Size: 1.000 INCHES IN; Maximum Operating Temp and Media for Which Designed: 250.0 FAHRENHEIT WATER-OIL-GAS DEGF; Material: COPPER ALLOY BODY. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-185-9398 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.