4820-01-261-9742

Find complete technical information, availability, and procurement data for: 4820-01-261-9742
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-261-9742

Item Name Code

22113

Assigment Date

08/20/1987 (38 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.

1.000 inches nominal body inside diameter, 1.8765 inches nominal body outside diameter, 1.998 inches nominal flange diameter, 0.375 inches nominal flange seat to disk end height, 0.250 inches nominal under flange height

Product Characteristics

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

Flange Diameter: 1.998 inches nominal
Body Outside Diameter: 1.8765 inches nominal
Body Inside Diameter: 1.000 inches nominal
Flange Seat To Disk End Height: 0.375 inches nominal
Under Flange Height: 0.250 inches nominal
Seal Accommodation Type: grooved
Seating Surface Shape: o-ring
Material: steel seat
Material Document And Classification: mil-s-890 class c mil spec single material response seat
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
717252	Valve Seat
B-3411	Valve Seat
H-8413 PIECE 181	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-261-9742?

The FSCG of the NSN 4820-01-261-9742 is 4820

Does the NSN 4820-01-261-9742 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-261-9742 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 4820-01-261-9742 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-261-9742 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 4820-01-261-9742 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Aug 20, 1987