N-731 PC 15

View detailed technical data, stock status, and sourcing information for: N-731 PC 15
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-269-4752

Item Name Code

22113

Assigment Date

12/17/1987 (38 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.

2.000 inches nominal flange diameter, flat seating surface shape, 0.188 inches nominal under flange height, 1.516 inches nominal body inside diameter, 0.125 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: 2.000 inches nominal
Body Inside Diameter: 1.516 inches nominal
Flange Seat To Disk End Height: 0.125 inches nominal
Under Flange Height: 0.188 inches nominal
Seating Surface Shape: flat
Material: nickel alloy overall
Style Designator: threaded flanged

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-200-9371	No Name Available	09/01/2011

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
17587-42	Valve Seat
217-587-45	Valve Seat
21758742	Valve Seat
N-580	Valve Seat
N-580 PC 15	Valve Seat
N-731 PC 15	Valve Seat
NB21758742	Valve Seat
NC21758742	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-269-4752?

The FSCG of the NSN 4820-01-269-4752 is 4820

Does the NSN 4820-01-269-4752 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-269-4752 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 4820-01-269-4752 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-269-4752 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 4820-01-269-4752 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Dec 17, 1987