4820-01-420-2531

Find complete technical information, availability, and procurement data for: 4820-01-420-2531
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-420-2531

Item Name Code

14557

Assigment Date

10/12/1995 (30 years ago)

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

s3863 end item source, p/n 601 upper valve cover 1; p/n 602 seal ring 1; p/n 605 o-ring 1; p/n 606 lower valve cover 1; p/n 607 seal ring 1; p/n 608 valve spindle 1; p/n 612 regulating nut 1; p/n valve piston 1; p/n 615 spring 1; p/n 621 handwheel 1; p/n 622 tension pin 1; p/n 631 piston washer 1 nonsupply items and quantities, 12 component quantity, acg 045n4 ntbp end item identification, rotary screww pump end item name

Product Characteristics

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

End Item Identification: acg 045n4 ntbp
Component Quantity: 12
Nonsupply Items And Quantities: p/n 601 upper valve cover 1; p/n 602 seal ring 1; p/n 605 o-ring 1; p/n 606 lower valve cover 1; p/n 607 seal ring 1; p/n 608 valve spindle 1; p/n 612 regulating nut 1; p/n valve piston 1; p/n 615 spring 1; p/n 621 handwheel 1; p/n 622 tension pin 1; p/n 631 piston washer 1
End Item Source: s3863
End Item Name: rotary screww pump
Special Features: navy weapon system code th. strategic sealift conversion ships class

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
ACG 045N5 NTBP G070	Pressure Regulating Va Parts Kit

FAQs

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

What is the FSCG of the NSN 4820-01-420-2531?

The FSCG of the NSN 4820-01-420-2531 is 4820

Does the NSN 4820-01-420-2531 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-420-2531 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 4820-01-420-2531 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-420-2531 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 4820-01-420-2531 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, Oct 12, 1995