501-253ASSYF

View detailed technical data, stock status, and sourcing information for: 501-253ASSYF
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-332-6818

Item Name Code

20962

Assigment Date

01/15/1991 (35 years ago)

A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes:valve, check.

700.0 pounds per square inch single response maximum operating pressure, 1.500 inches all ends nominal pipe size accommodated, unthreaded internal pipe all ends connection type, manual valve operation method, socket all ends connection style

Product Characteristics

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

Nominal Pipe Size Accommodated: 1.500 inches all ends
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Maximum Operating Pressure: 700.0 pounds per square inch single response
Material: nickel alloy stem
Material: plastic polytetrafluoroethylene seat
Material: steel corrosion resisting body
Material: steel corrosion resisting flow control device
Style Designator: straight thru
Furnished Items And Quantity: 1 lever and 1 switch

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-449-5860	No Name Available	09/01/2001

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
501-253ASSYF	Ball Valve
803-5001003-S711	Ball Valve
803-5001003-S711 MOD	Ball Valve
S711-3A-01	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-332-6818?

The FSCG of the NSN 4820-01-332-6818 is 4820

Does the NSN 4820-01-332-6818 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-01-332-6818 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 4820-01-332-6818 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-332-6818 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 4820-01-332-6818 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Tue, Jan 15, 1991