4820-01-171-1978

Find complete technical information, availability, and procurement data for: 4820-01-171-1978
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-171-1978

Item Name Code

22113

Assigment Date

02/04/1984 (42 years ago)

A flexible item designed to be affixed to an object by adhesion. It may be any configuration and preprinted with legendary characters, symbol(s), letter(s), numeral(s), or coding signification. It may or may not be coated with a reflectorized substance. It does not contain data which indicates contents, destination or similar signification. May be in roll form if perforations or markings are provided for detaching items of a specific length. Excludes:label; tape, identification; tape, pressure sensitive adhesive; and sign face, adhesive.

0.312 inches nominal body inside diameter, 0.120 inches nominal flange seat to disk end height, 0.482 inches minimum and 0.483 inches maximum flange diameter, 0.820 inches nominal under flange height, 0.482 inches minimum and 0.483 inches maximum body outside diameter

Product Characteristics

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

Flange Diameter: 0.482 inches minimum and 0.483 inches maximum
Body Outside Diameter: 0.482 inches minimum and 0.483 inches maximum
Body Inside Diameter: 0.312 inches nominal
Flange Seat To Disk End Height: 0.120 inches nominal
Under Flange Height: 0.820 inches nominal
Seating Surface Shape: flat
Material: nickel alloy overall
Material Document And Classification: qq-n-281 fed spec single material response overall
Style Designator: plain flanged

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
522-4677496	Valve Seat
522-4677496ITEM13	Valve Seat
87682-7603	Valve Seat
87682-7603ITEM13	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-171-1978?

The FSCG of the NSN 4820-01-171-1978 is 4820

Does the NSN 4820-01-171-1978 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-171-1978 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 4820-01-171-1978 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-171-1978 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 4820-01-171-1978 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Feb 4, 1984