4820-00-587-7121

Find complete technical information, availability, and procurement data for: 4820-00-587-7121
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-587-7121

Item Name Code

22113

Assigment Date

01/01/1963 (63 years ago)

An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.

0.750 inches nominal second threaded portion thread length, 3.625 inches nominal flange diameter, 0.438 inches nominal first threaded portion thread length, 2a first threaded portion thread class, 2a second threaded portion thread class

Product Characteristics

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

Thread Class: 2a first threaded portion
Thread Class: 2a second threaded portion
Thread Length: 0.438 inches nominal first threaded portion
Thread Length: 0.750 inches nominal second threaded portion
Flange Diameter: 3.625 inches nominal
Overall Height: 1.188 inches nominal
Flange Seat To Disk End Height: 0.500 inches nominal
Under Flange Height: 5.000 inches nominal
Thread Quantity Per Inch: 14 second threaded portion
Thread Quantity Per Inch: 24 first threaded portion
Nominal Thread Size: 1.450 inches first threaded portion
Nominal Thread Size: 2.375 inches second threaded portion
Seating Surface Shape: flat
Body Stepped Inside Diameter: 1.000 inches minimum and 1.003 inches maximum first step
Body Stepped Inside Diameter: 1.750 inches nominal second step
Body Stepped Inside Diameter: 2.000 inches nominal third step
Material: steel comp 304 overall
Style Designator: double flanged
Thread Series Designator: uns first threaded portion
Thread Series Designator: uns second threaded portion

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
009-304-0040	Valve Seat
0093040040	Valve Seat
52-3-21	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-587-7121?

The FSCG of the NSN 4820-00-587-7121 is 4820

Does the NSN 4820-00-587-7121 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-587-7121 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 4820-00-587-7121 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-587-7121 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 4820-00-587-7121 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963