87552-0625 ITEM 1

View detailed technical data, stock status, and sourcing information for: 87552-0625 ITEM 1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-146-4136

Item Name Code

22113

Assigment Date

01/29/1983 (43 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.

12.493 inches nominal body outside diameter, 9.770 inches nominal body inside diameter, 15.940 inches nominal flange diameter, 0.250 inches nominal under flange height, 2.250 inches nominal flange seat to disk end height

Product Characteristics

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

Flange Diameter: 15.940 inches nominal
Body Outside Diameter: 12.493 inches nominal
Body Inside Diameter: 9.770 inches nominal
Flange Seat To Disk End Height: 2.250 inches nominal
Under Flange Height: 0.250 inches nominal
Seat Angle In Deg: 10.000 nominal
Seating Surface Shape: angular
Special Features: 9 holes,0.531 in. dia,drill and c bore 0.800 in. dia;equally spaced on a 14.625 in. bolt circle dia
Material: nickel alloy overall
Style Designator: plain flanged

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
515-4674133 ITEM 1	Valve Seat
87552-0625 ITEM 1	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-146-4136?

The FSCG of the NSN 4820-01-146-4136 is 4820

Does the NSN 4820-01-146-4136 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-146-4136 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 4820-01-146-4136 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-146-4136 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 4820-01-146-4136 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Jan 29, 1983