4820-01-221-1583

Find complete technical information, availability, and procurement data for: 4820-01-221-1583
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-221-1583

Item Name Code

20962

Assigment Date

11/24/1985 (40 years ago)

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes:all covers not specifically designed to provide access for the purposes listed above.

plain (tube) all ends connection style, pressed-in renewable seat ring type, 450.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, manual valve operation method

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
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: plain (tube) all ends
Valve Operation Method: manual
Connection Type: unthreaded internal tube all ends
Maximum Operating Pressure: 1000.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.750 inches all ends
Special Features: complete stainless steel trim
Material: copper alloy body
Material: plastic polytetrafluoroethylene seat
Material: steel comp 316 flow control device
Material: steel comp 316 stem
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru

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
"1" 441166TTTE-S7"	Ball Valve
1-416T-TE-S7	Ball Valve
4416TTES7-1 INCH	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-221-1583?

The FSCG of the NSN 4820-01-221-1583 is 4820

Does the NSN 4820-01-221-1583 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801085

Does NSN 4820-01-221-1583 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 4820-01-221-1583 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-221-1583 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 4820-01-221-1583 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sun, Nov 24, 1985