4820-01-312-0283

Find complete technical information, availability, and procurement data for: 4820-01-312-0283
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-312-0283

Item Name Code

05489

Assigment Date

12/08/1989 (36 years ago)

A valve designed specifically so the diaphragm seals the flow stream from the valve operating mechanism. The flow is controlled by the lifting of the diaphragm from or compressing it against an integral seat. For packless diaphragm valves which utilize a diaphragm as packing and a disk to control the flow, see valve, y.

8.000 inches valve size, copper alloy 958 flow control device material, manual valve operation method, 285.0 pounds per square inch single response maximum operating pressure, iron cast uns f32800 body material

Product Characteristics

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

Valve Operation Method: manual
Valve Size: 8.000 inches
Maximum Operating Pressure: 285.0 pounds per square inch single response
Material: copper alloy 958 flow control device
Material: iron cast uns f32800 body
Material: rubber butadiene-acrylonitrile class nbr packing
Material: steel corrosion resisting stem
Material Document And Classification: astm a395 alloy 60-40-18 assn std single material response body
Material Document And Classification: astm b148 alloy 958 assn std single material response flow control device
Media For Which Designed: water, salt single response
Style Designator: straight thru

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
R285A-147AA-2MM	Butterfly Valve
R285A-147AA-2MM/920K181 8IN	Butterfly Valve

FAQs

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

What is the FSCG of the NSN 4820-01-312-0283?

The FSCG of the NSN 4820-01-312-0283 is 4820

Does the NSN 4820-01-312-0283 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803030

Does NSN 4820-01-312-0283 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 4820-01-312-0283 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-312-0283 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 4820-01-312-0283 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Fri, Dec 8, 1989