4820-01-156-0261

Find complete technical information, availability, and procurement data for: 4820-01-156-0261
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-156-0261

Item Name Code

20962

Assigment Date

06/18/1983 (43 years ago)

250.0 fahrenheit single response maximum operating temp, plain,optional end(pipe) all ends connection style, manual valve operation method, threaded internal pipe all ends connection type, right-hand all ends thread direction

Product Characteristics

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

Thread Direction: right-hand all ends
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 6000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Special Features: handle material nylon; panel mtg nut 316ss; seat retainer 316ss; thrust washer nylatron; spacer washer 316ss; belleville washer 302ss; bearing polytetrafluoroethylene/nylon fiberglass reinforced; backupring polytetrafluoroethylene; 0.187 in. orifice
Material: plastic polyamide (nylon) seat
Material: rubber packing
Material: steel comp 316 body
Material: steel comp 316 flow control device
Media For Which Designed: air single response
Style Designator: cross
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-158-4936	No Name Available	10/01/2000

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
588.90-211669-000	Ball Valve
639AS10006	Ball Valve
7644F4Y	Ball Valve
8431355	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-156-0261?

The FSCG of the NSN 4820-01-156-0261 is 4820

Does the NSN 4820-01-156-0261 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-01-156-0261 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 4820-01-156-0261 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-156-0261 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 4820-01-156-0261 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Jun 18, 1983