7155NPC17

View detailed technical data, stock status, and sourcing information for: 7155NPC17
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-389-4576

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.

0.593 inches nominal seat radius, 0.875 inches nominal body outside diameter, 1.186 inches nominal flange diameter, 0.187 inches nominal body inside diameter, 0.750 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: 1.186 inches nominal
Body Outside Diameter: 0.875 inches nominal
Body Inside Diameter: 0.187 inches nominal
Seat Radius: 0.593 inches nominal
Flange Seat To Disk End Height: 0.750 inches nominal
Under Flange Height: 0.330 inches nominal
Seal Accommodation Type: recessed
Seating Surface Shape: radial
Material: copper alloy overall
Surface Treatment: anodize 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
6463N1PC17	Valve Seat
6463N2PC17	Valve Seat
7154NPC17	Valve Seat
7155NPC17	Valve Seat
N10382	Valve Seat
T667-13PC17	Valve Seat
T667-16PC17	Valve Seat
T667-7PC17	Valve Seat
T667-8PC17	Valve Seat
T667-9PC17	Valve Seat
T668-11PC17	Valve Seat
T668-13PC17	Valve Seat
T668-21PC17	Valve Seat
T668-5PC17	Valve Seat
T668-7PC17	Valve Seat
T668-8PC17	Valve Seat
T668-9PC17	Valve Seat
T709PC41	Valve Seat
T842F5PC35	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-389-4576?

The FSCG of the NSN 4820-00-389-4576 is 4820

Does the NSN 4820-00-389-4576 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-389-4576 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 4820-00-389-4576 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-389-4576 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 4820-00-389-4576 was assigned to the Federal Catalog?

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