4820-01-477-3079

Find complete technical information, availability, and procurement data for: 4820-01-477-3079
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-477-3079

Item Name Code

20962

Assigment Date

08/04/2000 (26 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

manual valve operation method, flange all ends connection type, 150.0 fahrenheit single response maximum operating temp, 6 all ends bolt hole quantity, round with holes all ends flange shape

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: 6 all ends
Maximum Operating Temp: 150.0 fahrenheit single response
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 1.500 inches
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Outside Diameter: 5.062 inches all ends
Face To Face Distance: 11.700 inches
Bolt Hole Nominal Diameter: 0.563 inches all ends
Bolt Circle Nominal Diameter: 1.900 inches all ends
Third Connection Face To Centerline Distance: 5.100 inches
Flange Face Design: plain all ends
Special Features: this valve is a 3-way, 3-port, 90 degree turn ball valve fig. 5, flanges per mil-f-20042, class 250
Material: copper alloy 922 body
Material: copper alloy 922 flow control device
Material: nickel alloy stem
Material: plastic polytetrafluoroethylene seat
Material Document And Classification: qq-c-39 0 alloy 922 fed spec single material response body
Material Document And Classification: qq-c-390 alloy 922 fed spec single material response flow control device
Material Document And Classification: qq-n-281 cl. a,c,d fed spec single material response stem
Media For Which Designed: waste product 1st response
Media For Which Designed: water, salt 2nd response
Style Designator: cross flanged ends
Furnished Items And Quantity: 1 locking device and 1 spring and 1 handle and 3 washer and 16 nut

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
V24509-14-05-MOD REV.B	Ball Valve
V24509-14-05MOD REV. C	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-477-3079?

The FSCG of the NSN 4820-01-477-3079 is 4820

Does the NSN 4820-01-477-3079 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801085

Does NSN 4820-01-477-3079 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 4820-01-477-3079 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-477-3079 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 4820-01-477-3079 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Fri, Aug 4, 2000