4820-00-035-9923

Find complete technical information, availability, and procurement data for: 4820-00-035-9923
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-00-035-9923 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-035-9923

Item Name Code

22113

Assigment Date

01/01/1963 (63 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

2a single threaded portion thread class, 1.143 inches nominal flange diameter, 0.312 inches nominal single threaded portion thread length, 0.275 inches nominal flange seat to disk end height, 0.375 inches nominal body inside 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: 2a single threaded portion
Thread Length: 0.312 inches nominal single threaded portion
Flange Diameter: 1.143 inches nominal
Body Inside Diameter: 0.375 inches nominal
Flange Seat To Disk End Height: 0.275 inches nominal
Under Flange Height: 0.329 inches nominal
Seat Angle In Deg: 80.000 nominal
Nominal Thread Size: 0.875 inches single threaded portion
Seating Surface Shape: flat
Special Features: 1.000 in. hex flange,two bleeder holes below seating surface
Material: nickel alloy overall
Style Designator: threaded flanged
Thread Series Designator: unf 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
C4385PC11	Valve Seat
C4886	Valve Seat
C4886C	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-035-9923?

The FSCG of the NSN 4820-00-035-9923 is 4820

Does the NSN 4820-00-035-9923 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-035-9923 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 4820-00-035-9923 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-035-9923 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 4820-00-035-9923 was assigned to the Federal Catalog?

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