NSN 4820-01-118-3893
Drain Valve
About this product
With flanged tailpiece,1.281 in. Thk flange,6.375 in. Dia,with five 0.812 in. Dia bolt holes equally spaced on a 4.750 in. Dia bolt circle and spotfaced 1.500 in. Dia to a thk of 1.250.
Manufacturer part number 2640-645ASSYA 2IN for national stock number 4820011183893.
Datasheet
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Product description
Ball Valve NSN 4820-01-118-3893.
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MPN or Model
2640-645ASSYA 2IN
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Schedule B
8481.80.5090 (Taps, cocks, valves and similar appliances, nesoi, hand operated, of materials other than copper, iron or steel) -
NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves -
Unit Weight (Est.)
50 lb -
Bolt Hole Quantity
6 all ends -
Valve Operation Method
Manual -
Flange Shape
Round with holes all ends -
Connection Type
Flange all ends -
Maximum Operating Pressure
650.0 pounds per square inch single response -
Outside Diameter
5.562 inches all ends -
Thickness
0.812 inches all ends -
Bolt Hole Diameter
1.688 inches all ends -
Bolt Circle Diameter
4.438 inches all ends -
Flange Face Design
Plain all ends -
Material
Plastic polyamide seat -
Material Specification
Qq-n-281 federal specification single material response flow control device -
Media For Which Designed
Water, salt single response -
Style Designator
Err-090
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Ball Valve
A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes valve, check.
![Mechanic Bill explains Drain Valve](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-01-118-3893 ball valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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2640-645ASSYA 2IN | Electric Boat Corporation |
SS845-2109889 | Naval Ship Systems Command |
2640-645 | Electric Boat Corporation |
Stock Check
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