7503537

View detailed technical data, stock status, and sourcing information for: 7503537
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-524-1899

Item Name Code

22113

Assigment Date

09/23/2004 (21 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.

4820-01-524-1785; manifold valve assembly end item identification, 7.890 inches nominal body inside diameter, 45.000 nominal seat angle in deg, 8.687 inches nominal body outside diameter, 0.281 inches nominal overall height

Product Characteristics

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

Overall Height: 0.281 inches nominal
Body Outside Diameter: 8.687 inches nominal
Body Inside Diameter: 7.890 inches nominal
End Item Identification: 4820-01-524-1785; manifold valve assembly
Seat Angle In Deg: 45.000 nominal
Seating Surface Shape: angular
Part Name Assigned By Controlling Agency: insert 8 inch
Material: rubber buna n seat
Material Document And Classification: mil-s-6855 cl. 1 mil spec single material response seat
Style Designator: plain

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
506-4402154 8IN PART NO 34	Valve Seat
506-7503537 8IN PART NO 50	Valve Seat
7503537	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-524-1899?

The FSCG of the NSN 4820-01-524-1899 is 4820

Does the NSN 4820-01-524-1899 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-524-1899 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 4820-01-524-1899 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-524-1899 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 4820-01-524-1899 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Thu, Sep 23, 2004