B312278-72

View detailed technical data, stock status, and sourcing information for: B312278-72
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-463-2541

Item Name Code

35224

Assigment Date

02/27/1972 (54 years ago)

0.438 inches nominal inside diameter, 0.188 inches nominal overall height, rubber butadiene-acrylonitrile class nbr material, 1.000 inches nominal outside diameter, plain style designator

Product Characteristics

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

Inside Diameter: 0.438 inches nominal
Outside Diameter: 1.000 inches nominal
Overall Height: 0.188 inches nominal
Material: rubber butadiene-acrylonitrile class nbr
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-062-6570	No Name Available	07/01/1982

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
12278-72	Valve Disk
B312278-72	Valve Disk
NB31227872	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-00-463-2541?

The FSCG of the NSN 4820-00-463-2541 is 4820

Does the NSN 4820-00-463-2541 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-463-2541 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 4820-00-463-2541 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-463-2541 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 4820-00-463-2541 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Feb 27, 1972