1JB7523-4

View detailed technical data, stock status, and sourcing information for: 1JB7523-4
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-992-0624

Item Name Code

22113

Assigment Date

01/01/1962 (64 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.

3.042 inches minimum and 3.052 inches maximum flange diameter, 0.308 inches minimum and 0.318 inches maximum seat radius, cobalt alloy seat material, radial seating surface shape, steel body material

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Flange Diameter: 3.042 inches minimum and 3.052 inches maximum
Seat Radius: 0.308 inches minimum and 0.318 inches maximum
Seating Surface Shape: radial
Material: cobalt alloy seat
Material: steel body
Material Document And Classification: mil-r-17131,type mil-rcocr-a mil spec single material response seat
Material Document And Classification: qq-s-763,cl 410,cond t fed spec single material response body
Fsc Application Data: turbine,steam

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
1JB7523-4	Valve Seat
1JB7523PC4	Valve Seat
668J901PC98	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-992-0624?

The FSCG of the NSN 4820-00-992-0624 is 4820

Does the NSN 4820-00-992-0624 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-992-0624 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 4820-00-992-0624 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-992-0624 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 4820-00-992-0624 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962