910-191

View detailed technical data, stock status, and sourcing information for: 910-191
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-078-4534

Item Name Code

05489

Assigment Date

06/13/1979 (47 years ago)

An item specifically designed to pass an electrical cable or tube through a continuous structure with provisions for packing so as to prevent the leakage of liquids and/or gases through the opening. May include packing nut(s), adapter(s), washer(s), gasket(s), bushing(s), packing(s), cap(s), and/or plug(s).

round all ends flange shape, flange all ends connection type, manual valve operation method, 2.000 inches valve size, pressed-in renewable seat ring type

Product Characteristics

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

Renewable Seat Ring Type: pressed-in
Valve Operation Method: manual
Flange Shape: round all ends
Connection Type: flange all ends
Valve Size: 2.000 inches
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 4.125 inches all ends
Face To Face Distance: 1.625 inches
Nominal Thickness: 0.812 inches all ends
Flange Face Design: plain all ends
Special Features: valves are intended for use between mating flanges detailed on fsmc 53711 dwg 810-1385892 or asa 150 psi flanges per mil-v-22133
Material: copper alloy 922 body
Material: nickel alloy flow control device
Material: nickel alloy 400 stem
Material: rubber synthetic packing
Material: rubber synthetic seat
Material Document And Classification: astm b164-161,class a assn std single material response stem
Material Document And Classification: qq-c-390,alloy d4 fed spec single material response body
Material Document And Classification: qq-n-288,comp a fed spec single material response flow control device
Style Designator: straight thru flanged ends
Specification/Standard Data: 81349-mil-v-22133 government specification
Nondefinitive Spec/Std Data: a class and 150 series and a construction

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
2R2030-64AA-1FM	Butterfly Valve
910-191	Butterfly Valve

FAQs

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

What is the FSCG of the NSN 4820-01-078-4534?

The FSCG of the NSN 4820-01-078-4534 is 4820

Does the NSN 4820-01-078-4534 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801090

Does NSN 4820-01-078-4534 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 4820-01-078-4534 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-078-4534 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 4820-01-078-4534 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Wed, Jun 13, 1979