4820-01-137-0350

Find complete technical information, availability, and procurement data for: 4820-01-137-0350
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-137-0350

Item Name Code

20962

Assigment Date

08/19/1982 (44 years ago)

flange 1st end connection type, manual valve operation method, 8 1st end bolt hole quantity, round with holes 1st end flange shape, round 2nd end 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: 8 1st end
Valve Operation Method: manual
Flange Shape: round 2nd end
Flange Shape: round with holes 1st end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Valve Size: 3.500 inches
Nominal Outside Diameter: 7.500 inches 2nd end
Nominal Outside Diameter: 8.000 inches 1st end
Nominal Thickness: 1.500 inches 1st end
First Connection Face To Centerline Distance: 16.250 inches
Bolt Hole Nominal Diameter: 0.688 inches 1st end
Second Connection Face To Centerline Distance: 7.625 inches
Bolt Circle Nominal Diameter: 6.500 inches 1st end
Flange Face Design: plain 1st end
Flange Face Design: plain 2nd end
Special Features: 2nd end flange w/grooves 0.108 in.deep
Material: nickel alloy overall
Material Document And Classification: qq-n-288 fed spec single material response overall
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
0499-D	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-137-0350?

The FSCG of the NSN 4820-01-137-0350 is 4820

Does the NSN 4820-01-137-0350 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-137-0350 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 4820-01-137-0350 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-137-0350 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 4820-01-137-0350 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Aug 19, 1982