W7403PC152

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Federal Supply Group

Valves

Federal Supply Classification

4810 Powered Valves

National Stock Number

4810-00-146-4365

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.

0.344 inches nominal overall height, five equally spaced thd holes 0.312-24 unf 2b rh on 3.375 in. bc dia special features, 1.593 inches nominal body inside diameter, 4.312 inches nominal body outside diameter, flat seating surface shape

Product Characteristics

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

Overall Height: 0.344 inches nominal
Body Outside Diameter: 4.312 inches nominal
Body Inside Diameter: 1.593 inches nominal
Seating Surface Shape: flat
Special Features: five equally spaced thd holes 0.312-24 unf 2b rh on 3.375 in. bc dia
Material: steel corrosion resisting overall
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
31592W	Valve Seat
W6560PC152	Valve Seat
W6571PC152	Valve Seat
W6576PC152	Valve Seat
W6662PC152	Valve Seat
W6672PC152	Valve Seat
W6677PC152	Valve Seat
W6686PC152	Valve Seat
W6696PC152	Valve Seat
W6701PC152	Valve Seat
W6963PC152	Valve Seat
W6968PC152	Valve Seat
W6972PC152	Valve Seat
W7069PC152	Valve Seat
W7079PC152	Valve Seat
W7083PC152	Valve Seat
W7155PC152	Valve Seat
W7159PC152	Valve Seat
W7165PC152	Valve Seat
W7267PC152	Valve Seat
W7273PC152	Valve Seat
W7378PC152	Valve Seat
W7397PC152	Valve Seat
W7403PC152	Valve Seat
W8031PC152	Valve Seat

FAQs

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

What is the FSCG of the NSN 4810-00-146-4365?

The FSCG of the NSN 4810-00-146-4365 is 4810

Does the NSN 4810-00-146-4365 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4810-00-146-4365 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 4810-00-146-4365 contain precious materials?

Precious metal content is unknown

Does NSN 4810-00-146-4365 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 4810-00-146-4365 was assigned to the Federal Catalog?

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