4820-01-183-0621

Find complete technical information, availability, and procurement data for: 4820-01-183-0621
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-183-0621

Item Name Code

22113

Assigment Date

07/01/1984 (42 years ago)

An enclosure which includes, mounts and protects one or more terminals and/or terminal boards. It is designed for and may include a cover and such accessories as mounting hardware, brackets, locks, and conduit fittings. For boxes which include combinations of different electrical devices such as terminals and/or terminal boards, fuseholders, switches, jacks, circuit breakers, connectors and the like, see distribution box. For boxes which are designed to mount, but which do not include terminals and/or terminal boards, see junction box. Excludes:terminal board assembly. See also chamber, cable terminal; and interconnecting cabinet.

1.812 inches nominal flange diameter, 2a single threaded portion thread class, 0.406 inches nominal flange seat to disk end height, 0.875 inches nominal body inside diameter, 0.250 inches nominal single threaded portion thread length

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 single threaded portion
Thread Length: 0.250 inches nominal single threaded portion
Flange Diameter: 1.812 inches nominal
Body Inside Diameter: 0.875 inches nominal
Flange Seat To Disk End Height: 0.406 inches nominal
Under Flange Height: 0.432 inches nominal
Seat Angle In Deg: 30.000 nominal
Seal Accommodation Type: grooved
Thread Quantity Per Inch: 20 single threaded portion
Nominal Thread Size: 1.625 inches single threaded portion
Seating Surface Shape: angular
Special Features: four wrenching lugs on flanged end
Material: steel corrosion resisting overall
Style Designator: threaded flanged
Thread Series Designator: un single 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
10231-19-596	Valve Seat
N1052-1E PIECE 2	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-183-0621?

The FSCG of the NSN 4820-01-183-0621 is 4820

Does the NSN 4820-01-183-0621 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-183-0621 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 4820-01-183-0621 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-183-0621 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 4820-01-183-0621 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sun, Jul 1, 1984