The Valve,gate, cataloged under National Stock Number 4820-00-943-7272, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Walworth Company. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-943-7272 |
| Primary Part Number | 2620-902ASSYAA1 1-4IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | The Walworth Company |
| Status | CANCELLED |
| Criticality Code Justification | ZZZY |
| Valve Operation Method | MANUAL |
| Stem Type | RISING |
| Inlet Relationship with Outlet | IDENTICAL |
| Material | COPPER ALLOY BODY |
| Nominal Pipe Size Accommodated | 1.250 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Operating Pressure and Type | 700.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Connection Type | SOCKET, WELD, PIPE |
| Bonnet Attachment Method | THREADED |
| Material | NICKEL ALLOY DISK |
| Material | NICKEL ALLOY STEM |
| Material | NICKEL ALLOY SEAT |
| Valve Size | 1.250 INCHES IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2620-902ASSYAA1 1-4IN | The Walworth Company (USA) |
| 2620-902ASSYAA1 1-4INL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2621-902 ASSY IA 1 1-4IN | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2621-902 ASSY IA 1 1-4INL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| SS845-1889587ASSYAA1 1-4IN | Naval Ship Systems Command (USA) |
| SS845-1889587ASSYAA1 1-4INL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2620-902L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2620-902ASSYAA1 1-4IN | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 4820-00-943-7272 is a Valve,gate, manufactured by The Walworth Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-943-7272 has 8 cross-referenced part numbers: 2620-902ASSYAA1 1-4IN (The Walworth Company), 2620-902ASSYAA1 1-4INL1 (Naval Inventory Control Point Mechanicsburg), 2621-902 ASSY IA 1 1-4IN (Electric Boat Corporation Div General Dynamics Electric Boat), 2621-902 ASSY IA 1 1-4INL1 (Naval Inventory Control Point Mechanicsburg), SS845-1889587ASSYAA1 1-4IN (Naval Ship Systems Command) and 3 more.
There are 9 known substitutes for 4820-00-943-7272: 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 2620-902ASSYAA1 1-4IN: Criticality Code Justification: ZZZY; Valve Operation Method: MANUAL; Stem Type: RISING; Inlet Relationship with Outlet: IDENTICAL. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-943-7272 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.