4820-00-036-1774

Find complete technical information, availability, and procurement data for: 4820-00-036-1774
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-036-1774

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.

0.406 inches nominal flange seat to disk end height, 1.219 inches nominal flange diameter, 1.005 inches nominal body outside diameter, 2.375 inches nominal under flange height, 0.750 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.

Flange Diameter: 1.219 inches nominal
Body Outside Diameter: 1.005 inches nominal
Body Inside Diameter: 0.750 inches nominal
Flange Seat To Disk End Height: 0.406 inches nominal
Under Flange Height: 2.375 inches nominal
Seat Angle In Deg: 45.000 nominal
Seating Surface Shape: angular
Material: steel overall
Material Document And Classification: qq-s-763,class 303 fed spec single material response overall
Style Designator: plain flanged

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-01-209-0822	No Name Available	09/01/1996

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
010-303-0068	Valve Seat
41-3-2	Valve Seat
B2071S-L-3110-B	Valve Seat
B2071S-L-3110-B PIECE 41 1/2 IN	Valve Seat
C2559	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-036-1774?

The FSCG of the NSN 4820-00-036-1774 is 4820

Does the NSN 4820-00-036-1774 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-036-1774 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 4820-00-036-1774 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-036-1774 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 4820-00-036-1774 was assigned to the Federal Catalog?

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