3-0HG201-60

View detailed technical data, stock status, and sourcing information for: 3-0HG201-60
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-146-8759

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.

53.0 rockwell c minimum and 58.0 rockwell c maximum body hardness rating, 0.260 inches minimum and 0.265 inches maximum overall height, 45.000 nominal seat angle in deg, 1.120 inches minimum and 1.130 inches maximum body inside diameter, 1.377 inches nominal body outside diameter

Product Characteristics

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

Overall Height: 0.260 inches minimum and 0.265 inches maximum
Body Outside Diameter: 1.377 inches nominal
Body Inside Diameter: 1.120 inches minimum and 1.130 inches maximum
Seat Angle In Deg: 45.000 nominal
Hardness Rating: 53.0 rockwell c minimum and 58.0 rockwell c maximum body
Hardness Rating: 53.0 rockwell c minimum and 58.0 rockwell c maximum face
Seating Surface Shape: angular
Material: cobalt comp 3 overall
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-397-9643	No Name Available	01/01/1963

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
3-0HG201-0-61	Valve Seat
3-0HG201-60	Valve Seat
FLHG201	Valve Seat
HG201	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-146-8759?

The FSCG of the NSN 4820-00-146-8759 is 4820

Does the NSN 4820-00-146-8759 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-146-8759 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 4820-00-146-8759 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-146-8759 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 4820-00-146-8759 was assigned to the Federal Catalog?

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