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Worldwide distributor of NSN parts and consumables located in the USA.

Poppet Drain Cock

Model / MPN: 633652 | NSN: 4820-00-532-7404
ITAR Registered seal

An item designed to drain fluids from fuel systems, tanks, filters, or similar items. It has a mounting end, a free flowing end, and a quick-acting nonmetallic sealed closure, usually spring loaded, that holds it in an "off" position. It requires no lubrication other than from the fluid being drained.

Product Details
NATO Stock Number
4820-00-532-7404
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Connection Style
Plain (tube) 1st end
Valve Operation Method
Manual
Connection Type
Threaded external tube 1st end
Thready Qty Per Inch (tpi)
20 1st end
Maximum Operating Pressure
60.0 pounds per square inch 1st response
Thread Size
0.437 inches 1st end
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Copper alloy body
Media For Which Designed
Fuel/oil, hydrocarbon single response
Surface Treatment
Cadmium
Style Designator
Straight thru
Thread Series Designator
Unf 1st end

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633652 Cross Reference
  • BJ1000AS1M
  • 695340
  • 633699-3