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4820-00-005-7396

Valve Seat

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Official Item Classification

Name
Valve Seat
(NSN) National Stock Number
4820-00-005-7396
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
22113
(FIIG) Federal Item Identification Guide
A15500
Date
06/11/1972 (54 years ago)

steel material, Seat Angle In Deg: 0.75

Specs & Compatibility

Style Designator

Plain flanged

Material

Steel corrosion resisting

Special Features

Four 0.506 in. diameter holes equally spaced in boyd

Flange Diameter

1.62 inches minimum and 1.63 inches maximum

Body Inside Diameter

0.875 inches

Body Outside Diameter

1.845 inches minimum and 1.87 inches maximum

Flange Seat To Disk End Height

0.834 inches

Under Flange Height

1.433 inches minimum and 1.443 inches maximum

Seat Angle In Degree

0.75

Surface Treatment

Passivate

Hardness Rating

25 rockwell c minimum and 30 rockwell c maximum

Seating Surface Shape

Angular

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0022113

Related Hardware Products

Part Number Description
383V304 Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-005-7396?
The FSCG of the NSN 4820-00-005-7396 is 4820
Does the NSN 4820-00-005-7396 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-005-7396 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 4820-00-005-7396 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-005-7396 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 4820-00-005-7396 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sun, Jun 11, 1972