R285B-147AA-2MM/920M176

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-312-0282

Item Name Code

05489

Assigment Date

12/08/1989 (36 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

manual valve operation method, 285.0 pounds per square inch single response maximum operating pressure, operator included special features, 12.000 inches valve size, lug mounting facility

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
Mounting Facility: lug
Valve Size: 12.000 inches
Maximum Operating Pressure: 285.0 pounds per square inch single response
Special Features: operator included
Material: copper alloy 954 flow control device
Material: iron cast uns f32800 body
Material: rubber butadiene-acrylonitrile class nbr seat
Material: steel stem
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
12 IN R285B-147AA-2RM	Butterfly Valve
R285B-147AA-2MM/920M176	Butterfly Valve

FAQs

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

What is the FSCG of the NSN 4820-01-312-0282?

The FSCG of the NSN 4820-01-312-0282 is 4820

Does the NSN 4820-01-312-0282 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803030

Does NSN 4820-01-312-0282 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 4820-01-312-0282 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-312-0282 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 4820-01-312-0282 was assigned to the Federal Catalog?

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