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Valve Seat NSN 4820-01-122-5153

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 4820-01-122-5153 NSN: 4820-01-122-5153

Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.375 inches single threaded portion
Flange Diameter
3.438 inches
Body Inside Diameter
2.938 inches
Flange Seat To Disk End Height
0.125 inches
Under Flange Height
0.562 inches
Thready Qty Per Inch (tpi)
12 single threaded portion
Thread Size
3.688 inches single threaded portion
Seating Surface Shape
Flat
Material
Nickel alloy
Style Designator
Threaded flanged
Thread Series Designator
Un single threaded portion
FSC
4820 Nonpowered Valves
NIIN
011225153
NSN
4820011225153

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1305 ITEM 7
Cage Code:
76364
Status:
A
MSDS:
Part Number:
51150-LP-184
Cage Code:
76364
Status:
A
MSDS:
Part Number:
504089-20S
Cage Code:
01276
Status:
A
MSDS:
Part Number:
51150-L
Cage Code:
76364
Status:
A
MSDS:
Part Number:
51150-LP-181
Cage Code:
76364
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 4820-01-122-5153
What are the manufacturers of nsn 4820011225153?
Does this nsn 4820011225153 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011225153
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 4820011225153 contain any precious metals?
No precious metal content.
Does nsn 4820011225153 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011225153?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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