4820-01-426-6980

Find complete technical information, availability, and procurement data for: 4820-01-426-6980
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-426-6980

Item Name Code

05487

Assigment Date

03/15/1996 (30 years ago)

A noise control/filtering device of various sizes, shapes, designs, materials (metallic/non-metallic) and varied mounting configurations used to diffuse air blasts, lowers air velocity, reduce noise, filtration of airborne moisture and/or dust contamination, pressure equalization, speed control for air operated devices. For vehicular application see muffler, (as modified).

250.0 fahrenheit single response maximum operating temp, automatic valve operation method, round all ends flange shape, mars class afs end item identification, disk flow control device

Product Characteristics

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

Flow Control Device: disk
Maximum Operating Temp: 250.0 fahrenheit single response
End Item Identification: mars class afs
Valve Operation Method: automatic
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: 4.875 inches all ends
Face To Face Distance: 2.875 inches
Flange Face Design: raised straight all ends
Material: rubber packing
Material: steel body
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
G15SMF-2IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-426-6980?

The FSCG of the NSN 4820-01-426-6980 is 4820

Does the NSN 4820-01-426-6980 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-426-6980 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 4820-01-426-6980 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-426-6980 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 4820-01-426-6980 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Mar 15, 1996