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Valve Seat NSN 4820-01-129-7736

Item Description

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.

NSN 4820-01-129-7736 NSN: 4820-01-129-7736

Features and Characteristics

Thread Class
3a single threaded portion
Err Default
0.563 inches single threaded portion
Flange Diameter
4.813 inches
Body Outside Diameter
4.500 inches
Body Inside Diameter
4.000 inches
Flange Seat To Disk End Height
0.688 inches
Under Flange Height
0.687 inches
Thready Qty Per Inch (tpi)
12 single threaded portion
Thread Size
4.500 inches single threaded portion
Seating Surface Shape
Flat
Material
Nickel alloy
Material Specification
Ast-494 assn standard single material response seat
Style Designator
Threaded flanged
Thread Series Designator
Un single threaded portion
FSC
4820 Nonpowered Valves
NIIN
011297736
NSN
4820011297736

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
803-1385623-041X-68
Cage Code:
80064
Status:
A
MSDS:
Part Number:
810-1385623
Cage Code:
80064
Status:
A
MSDS:
Part Number:
803-1385623
Cage Code:
80064
Status:
A
MSDS:
Part Number:
803-1385623-041-04
Cage Code:
80064
Status:
A
MSDS:
Part Number:
803-1385623-041-43
Cage Code:
80064
Status:
A
MSDS:
Part Number:
810-1385623-041-4
Cage Code:
80064
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481909090
  • NAICS: 332911
  • SITC: 74790
  • Description: Parts of taps, cocks, valves and similar appliances, nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-129-7736
What are the manufacturers of nsn 4820011297736?
Does this nsn 4820011297736 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011297736
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.
Does nsn 4820011297736 contain any precious metals?
No precious metal content.
Does nsn 4820011297736 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011297736?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22113
FIIG:
A15500
App. Key:
A
Cond. Code:
2
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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