4820-01-425-6633

Find complete technical information, availability, and procurement data for: 4820-01-425-6633
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-425-6633

Item Name Code

22113

Assigment Date

02/26/1996 (30 years ago)

A cap designed to mate with a fluid valve body. It may have an orifice through which a rod, shaft, stem, or an adjusting screw passes. For ported items, see head, valve. Excludes:cap, pneumatic valve.

0.219 inches nominal single threaded portion thread length, 3a single threaded portion thread class, seawolf class ssn end item identification, 0.438 inches nominal body inside diameter, 0.869 inches nominal flange diameter

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: 0.219 inches nominal single threaded portion
Flange Diameter: 0.869 inches nominal
Body Inside Diameter: 0.438 inches nominal
End Item Identification: seawolf class ssn
Flange Seat To Disk End Height: 0.219 inches nominal
Under Flange Height: 0.093 inches nominal
Seat Angle In Deg: 15.500 nominal
Thread Quantity Per Inch: 24 single threaded portion
Nominal Thread Size: 0.938 inches single threaded portion
Seating Surface Shape: angular
Special Features: to be oxygen cleaned
Material: nickel alloy seat
Style Designator: threaded flanged
Thread Series Designator: uns 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
803-4384536-3XXX-46	Valve Seat
803-4384536-46	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-425-6633?

The FSCG of the NSN 4820-01-425-6633 is 4820

Does the NSN 4820-01-425-6633 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-425-6633 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 4820-01-425-6633 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-425-6633 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 4820-01-425-6633 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Mon, Feb 26, 1996