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4820-00-797-7583

Valve Seat

Find complete technical information, availability, and procurement data for NSN 4820-00-797-7583 All details are based on official government and industry records to support accurate and compliant procurement.

4820-00-797-7583
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-797-7583
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.

3.499 inches minimum and 3.500 inches maximum flange diameter, 1.932 inches nominal body inside diameter, 2.489 inches minimum and 2.490 inches maximum body outside diameter, 0.375 inches nominal seat radius, 0.750 inches nominal flange seat to disk end height

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Flange Diameter
3.499 inches minimum and 3.500 inches maximum
Body Outside Diameter
2.489 inches minimum and 2.490 inches maximum
Body Inside Diameter
1.932 inches nominal
Seat Radius
0.375 inches nominal
Flange Seat To Disk End Height
0.750 inches nominal
Under Flange Height
2.970 inches nominal
Seating Surface Shape
radial
Material
cobalt alloy face
Material
steel body
Material Document And Classification
mil-r-17131,type mil-rcocr-a mil spec single material response face
Material Document And Classification
mil-s-861,class 405 mil spec single material response body
Style Designator
plain flanged

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number Name
H2372PC23 Valve Seat
KJ62AJX1 Valve Seat

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
M - Partial descriptive - reference item identification (type 1a concept)
Automatic Data Processing Point
0 - Represents items with no adp components
Demilitarization
A - 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.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A15500
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0022113
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
8481909090

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
XX
National Motor Freight Classification Item Number
051080
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
29300
National Motor Freight Class Rating
W - Rating variable
Water Commodity
736 - Plumbing supplies
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
EZ -
National Motor Freight Description
faucets,bibcocks,gates valves

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 4820-00-797-7583

What is the FSCG of the NSN 4820-00-797-7583?
The FSCG of the NSN 4820-00-797-7583 is 4820
Does the NSN 4820-00-797-7583 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-797-7583 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 4820-00-797-7583 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-797-7583 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 4820-00-797-7583 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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