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Valve Seat NSN 4820-01-507-7391

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 4820-01-507-7391 NSN: 4820-01-507-7391

Features and Characteristics

Thread Class
3a single threaded portion
Err Default
0.250 inches single threaded portion
Overall Height
0.500 inches
Body Inside Diameter
Between 2.080 inches and 2.084 inches
Thready Qty Per Inch (tpi)
16 single threaded portion
Thread Size
2.625 inches single threaded portion
Seating Surface Shape
Flat
Part Name Assigned By Controlling Agency
Ring, seat
Special Features
Octagon or lug socket acceptable for removable seat ring
Material
Nickel alloy
Style Designator
B5 plain threaded
Thread Series Designator
Un single threaded portion
FSC
4820 Nonpowered Valves
NIIN
015077391
NSN
4820015077391

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
803-1385714-8-22
Cage Code:
53711
Status:
A
MSDS:
Part Number:
1385714
Cage Code:
80064
Status:
A
MSDS:
Part Number:
803-1385714-8-06
Cage Code:
53711
Status:
A
MSDS:
Part Number:
803-1385714 PC NO 6
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 4820-01-507-7391
What are the manufacturers of nsn 4820015077391?
Does this nsn 4820015077391 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015077391
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 4820015077391 contain any precious metals?
No precious metal content.
Does nsn 4820015077391 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015077391?
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
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