The Valve,check, cataloged under National Stock Number 4820-00-266-9518, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 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 | 4820-00-266-9518 |
| Primary Part Number | 1281-002-300 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | CANCELLED |
| Nominal Outside Diameter | 6.625 INCHES FIRST END IN |
| Nominal Thickness | 0.625 INCHES FIRST END IN |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Material | COPPER ALLOY BODY |
| Connection Type | FLANGE FIRST END |
| Face to Face Distance | 9.000 INCHES IN |
| Style Designator | STRAIGHT THRU |
| Material | NICKEL ALLOY SEAT |
| Bolt Circle Nominal Diameter | 5.500 INCHES FIRST END IN |
| Valve Operation Method | AUTOMATIC |
| Bolt Hole Nominal Diameter | 0.562 INCHES FIRST END IN |
| Flange Face Design | PLAIN FIRST END |
| Bolt Hole Quantity | 8 FIRST END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Flow Control Device | DISK |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1281N3IN | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 1281-002-300 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| C35685-3IN | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| MILV17547 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| C-35685 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 45002 | Garton Engineering Inc (USA) |
NSN 4820-00-266-9518 is a Valve,check, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-266-9518 has 6 cross-referenced part numbers: 1281N3IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 1281-002-300 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), C35685-3IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), MILV17547 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), C-35685 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc) and 1 more.
There are 12 known substitutes for 4820-00-266-9518: 2010-00-213-0576, 3455-00-231-3475, 5610-00-360-2642 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1281-002-300: Nominal Outside Diameter: 6.625 INCHES FIRST END IN; Nominal Thickness: 0.625 INCHES FIRST END IN; Flange Shape: ROUND WITH HOLES FIRST END; Material: COPPER ALLOY BODY. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-266-9518 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.