20-08158

View detailed technical data, stock status, and sourcing information for: 20-08158
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 20-08158 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-070-7975

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.

0.500 inches nominal body inside diameter, 1.063 inches nominal body outside diameter, angular seating surface shape, 45.000 nominal seat angle in deg, 0.219 inches nominal overall 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: 0.219 inches nominal
Body Outside Diameter: 1.063 inches nominal
Body Inside Diameter: 0.500 inches nominal
Seat Angle In Deg: 45.000 nominal
Seating Surface Shape: angular
Material: plastic 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
20-08158	Valve Seat
V-8158	Valve Seat
V8158	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-070-7975?

The FSCG of the NSN 4820-00-070-7975 is 4820

Does the NSN 4820-00-070-7975 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-070-7975 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 4820-00-070-7975 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-070-7975 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 4820-00-070-7975 was assigned to the Federal Catalog?

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