4820-01-057-7282

Find complete technical information, availability, and procurement data for: 4820-01-057-7282
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-057-7282

Item Name Code

22113

Assigment Date

03/18/1978 (48 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.

45.000 nominal seat angle in deg, 0.034 inches minimum and 0.038 inches maximum under flange height, 0.123 inches minimum and 0.127 inches maximum overall height, 1.044 inches minimum and 1.046 inches maximum body outside diameter, 0.036 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.

Overall Height: 0.123 inches minimum and 0.127 inches maximum
Body Outside Diameter: 1.044 inches minimum and 1.046 inches maximum
Flange Seat To Disk End Height: 0.036 inches nominal
Under Flange Height: 0.034 inches minimum and 0.038 inches maximum
Seat Angle In Deg: 45.000 nominal
Seating Surface Shape: angular
Body Stepped Inside Diameter: 0.520 inches minimum and 0.522 inches maximum first step
Material: err-030 overall
Style Designator: threaded 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
166752-0091	Valve Seat
166752-91	Valve Seat
280090 PIECE 15	Valve Seat
280090-35PC15	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-057-7282?

The FSCG of the NSN 4820-01-057-7282 is 4820

Does the NSN 4820-01-057-7282 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-057-7282 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 4820-01-057-7282 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-057-7282 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 4820-01-057-7282 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Mar 18, 1978