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4820-00-074-7198

Find complete technical information, availability, and procurement data for: 4820-00-074-7198

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4820-00-074-7198
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-074-7198
Item Name Code
22113
Assigment Date
08/02/1967 (58 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.

2.750 inches nominal flange diameter, 2a single threaded portion thread class, 0.438 inches nominal flange seat to disk end height, 0.375 inches nominal single threaded portion thread length, 2.005 inches minimum and 2.007 inches maximum body inside diameter

Product Characteristics

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

Thread Class
2a single threaded portion
Thread Length
0.375 inches nominal single threaded portion
Flange Diameter
2.750 inches nominal
Body Inside Diameter
2.005 inches minimum and 2.007 inches maximum
Flange Seat To Disk End Height
0.438 inches nominal
Under Flange Height
3.375 inches nominal
Seat Angle In Deg
58.000 nominal
Thread Quantity Per Inch
14 single threaded portion
Nominal Thread Size
2.500 inches single threaded portion
Seating Surface Shape
angular
Material
steel overall
Style Designator
threaded flanged
Thread Series Designator
uns single threaded portion

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
1360DPC21 Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-074-7198?
The FSCG of the NSN 4820-00-074-7198 is 4820
Does the NSN 4820-00-074-7198 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-074-7198 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 4820-00-074-7198 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-074-7198 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 4820-00-074-7198 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Wed, Aug 2, 1967

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