ORDER BY PHONE (619) 331-9599      Contact Us      Request Quote
facebook
NationalStockNumber.org

Valve Seat NSN 4820-01-181-8657

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 4820-01-181-8657 NSN: 4820-01-181-8657

Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.500 inches single threaded portion
Overall Height
0.634 inches
Body Inside Diameter
4.250 inches
Thready Qty Per Inch (tpi)
12 single threaded portion
Thread Size
5.375 inches single threaded portion
Seating Surface Shape
Flat
Special Features
W/2 standard wrench notches on the id
Material
Nickel alloy
Style Designator
B5 plain threaded
Thread Series Designator
Un single threaded portion
FSC
4820 Nonpowered Valves
NIIN
011818657
NSN
4820011818657

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
208-4325303 PIE
Cage Code:
80004
Status:
A
MSDS:
Part Number:
208-4325303 PIECE 9
Cage Code:
80064
Status:
A
MSDS:
Part Number:
6553-255
Cage Code:
43689
Status:
A
MSDS:
Part Number:
208-4325303
Cage Code:
80064
Status:
A
MSDS:
Part Number:
6553-255 PIECE 9
Cage Code:
43689
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 4820-01-181-8657
What are the manufacturers of nsn 4820011818657?
Does this nsn 4820011818657 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011818657
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 4820011818657 contain any precious metals?
No precious metal content.
Does nsn 4820011818657 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011818657?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
ASA Aviation Suppliers Association Member Logo
NQA AS 9120 Suppliers Logo
ITAR Registered International Traffic in Arms Regulations Logo