B708D04B

View detailed technical data, stock status, and sourcing information for: B708D04B
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-104-7055

Item Name Code

22113

Assigment Date

06/23/1968 (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.

0.288 inches minimum and 0.294 inches maximum seat radius, 1.238 inches minimum and 1.244 inches maximum body inside diameter, 3.375 inches nominal flange diameter, 0.748 inches minimum and 0.752 inches maximum flange seat to disk end height, 1.872 inches minimum and 1.873 inches maximum 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.

Flange Diameter: 3.375 inches nominal
Body Outside Diameter: 1.872 inches minimum and 1.873 inches maximum
Body Inside Diameter: 1.238 inches minimum and 1.244 inches maximum
Seat Radius: 0.288 inches minimum and 0.294 inches maximum
Flange Seat To Disk End Height: 0.748 inches minimum and 0.752 inches maximum
Under Flange Height: 0.867 inches nominal
Seating Surface Shape: radial
Material: nickel alloy body
Material Document And Classification: mil-n-6710,cond e,finish 4 mil spec single material response body
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
101B209DAPC1	Valve Seat
B708D04B	Valve Seat
PL501E458BCPC13	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-104-7055?

The FSCG of the NSN 4820-00-104-7055 is 4820

Does the NSN 4820-00-104-7055 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-104-7055 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 4820-00-104-7055 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-104-7055 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 4820-00-104-7055 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Sun, Jun 23, 1968