2D1550

View detailed technical data, stock status, and sourcing information for: 2D1550

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2D1550
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-857-6629
Item Name Code
16989
Assigment Date
01/01/1963 (63 years ago)

right-hand 1st end thread direction, poppet flow control device, 250.0 fahrenheit single response maximum operating temp, external seat for gasket seal (boss) 1st end connection style, 3a 1st end thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a 1st end
Thread Direction
right-hand 1st end
Flow Control Device
poppet
Maximum Operating Temp
250.0 fahrenheit single response
Connection Style
external seat for gasket seal (boss) 1st end
Valve Operation Method
automatic
Connection Type
threaded external boss 1st end
Thread Quantity Per Inch
20 1st end
Maximum Operating Pressure
2500.0 pounds per square inch single response
Nominal Thread Size
0.437 inches 1st end
Seat Angle
37.0 degrees 1st end
Material
steel comp 303 body
Material
steel corrosion resisting flow control device
Material Document And Classification
66, comp 4147 fed std single material response flow control device
Media For Which Designed
air single response
Surface Treatment
passivate
Style Designator
straight thru
Thread Series Designator
unj 1st end
Furnished Items And Quantity
1 filter

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
2D1550 Poppet Drain Cock

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-00-857-6629?
The FSCG of the NSN 4820-00-857-6629 is 4820
Does the NSN 4820-00-857-6629 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-857-6629 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4820-00-857-6629 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-857-6629 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-00-857-6629 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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