231-31-541

View detailed technical data, stock status, and sourcing information for: 231-31-541
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-421-8148

Item Name Code

10255

Assigment Date

11/15/1995 (30 years ago)

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

1.375 inches nominal inside diameter, 3.500 inches nominal outside diameter, 1 mounting hole quantity, 1.375 inches nominal mounting hole diameter, 0.250 inches nominal material thickness

Product Characteristics

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

Inside Diameter: 1.375 inches nominal
Outside Diameter: 3.500 inches nominal
Material Thickness: 0.250 inches nominal
Mounting Hole Diameter: 1.375 inches nominal
Mounting Hole Quantity: 1
Mounting Hole Type: plain
End Item Identification: strategic sealift conversion ships class
Material: rubber chloroprene class cr
Style Designator: round

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
231-31-541	Dirt and Liquid Deflector
6823-25	Dirt and Liquid Deflector
PL.8VHSS-1 ITEM 18	Dirt and Liquid Deflector

FAQs

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

What is the FSCG of the NSN 4320-01-421-8148?

The FSCG of the NSN 4320-01-421-8148 is 4320

Does the NSN 4320-01-421-8148 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-01-421-8148 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 4320-01-421-8148 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-421-8148 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 4320-01-421-8148 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Wed, Nov 15, 1995