DDLOS-2

View detailed technical data, stock status, and sourcing information for: DDLOS-2
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-440-9659

Item Name Code

13619

Assigment Date

01/30/1997 (29 years ago)

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an amplifier but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

1.000 inches valve size, flange all ends connection type, 4 all ends bolt hole quantity, round with holes all ends flange shape, manual valve operation method

Product Characteristics

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

Bolt Hole Quantity: 4 all ends
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 1.000 inches
Maximum Operating Pressure: 60.0 pounds per square inch single response
Nominal Outside Diameter: 4.250 inches all ends
Face To Face Distance: 7.250 inches
Nominal Thickness: 0.373 inches all ends
Bolt Hole Nominal Diameter: 0.750 inches all ends
Bolt Circle Nominal Diameter: 3.125 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 2.000 inches all ends
Special Features: incl diaphragm actuator, reverse acting
Material: steel body
Material: steel corrosion resisting stem
Style Designator: straight thru flanged ends

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
DDLOS-2	Stop Diaphragm Valve
U823C2J2JLO	Stop Diaphragm Valve

FAQs

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

What is the FSCG of the NSN 4820-01-440-9659?

The FSCG of the NSN 4820-01-440-9659 is 4820

Does the NSN 4820-01-440-9659 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-440-9659 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 4820-01-440-9659 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-440-9659 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 4820-01-440-9659 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Thu, Jan 30, 1997