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Valve Seat NSN 4820-01-231-0749

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 4820-01-231-0749 NSN: 4820-01-231-0749

Features and Characteristics

Flange Diameter
0.5475 inches
Body Outside Diameter
0.482 inches
Body Inside Diameter
0.142 inches
End Application
F-15 aircraft
Flange Seat To Disk End Height
0.205 inches
Under Flange Height
0.290 inches
Seat Angle In Deg
50.000
Hardness Rating
89.3 rockwell superficial 15-n
Seating Surface Shape
Angular
Special Features
Top flange has 0.120 wide by 0.060 deep groove; used on mc16770
Material
Steel comp 440c
Style Designator
Plain flanged
Fsc Application Data
Aircraft hydraulic, vacuum, deicing systems
FSC
4820 Nonpowered Valves
NIIN
012310749
NSN
4820012310749

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MC17327
Cage Code:
76050
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 4820-01-231-0749
What are the manufacturers of nsn 4820012310749?
Does this nsn 4820012310749 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012310749
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 4820012310749 contain any precious metals?
No precious metal content.
Does nsn 4820012310749 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012310749?
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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