4820-01-429-8422

Find complete technical information, availability, and procurement data for: 4820-01-429-8422
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-429-8422

Item Name Code

22113

Assigment Date

04/19/1996 (30 years ago)

Do not use if a more specific item name is applicable.

3a single threaded portion thread class, 4.062 inches nominal body inside diameter, 0.688 inches nominal overall height, 4.813 inches maximum body outside diameter, 4.8125 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: 3a single threaded portion
Thread Length: 4.8125 inches nominal single threaded portion
Overall Height: 0.688 inches nominal
Body Outside Diameter: 4.813 inches maximum
Body Inside Diameter: 4.062 inches nominal
End Item Identification: strategic sealift conversion ships class
Seat Angle In Deg: 30.000 nominal
Thread Quantity Per Inch: 12 single threaded portion
Nominal Thread Size: 4.000 inches single threaded portion
Seating Surface Shape: angular
Special Features: e/i:4 inch gate valve
Material: nickel alloy 400 or nickel alloy seat
Material Document And Classification: qq-n-281 anl fed spec single material response or astm a494, grade -30h assn std single material response seat
Style Designator: plain
Thread Series Designator: uns single threaded portion

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-458-9383	No Name Available	12/01/1998

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
51187-N-184	Valve Seat
803-2177917 PC 30	Valve Seat
803-2177917-4-30	Valve Seat
803-2177917-45	Valve Seat
MB2502E-0400-30	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-429-8422?

The FSCG of the NSN 4820-01-429-8422 is 4820

Does the NSN 4820-01-429-8422 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-429-8422 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 4820-01-429-8422 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-429-8422 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 4820-01-429-8422 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Apr 19, 1996