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Valve Seat NSN 4820-01-057-7283

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 4820-01-057-7283 NSN: 4820-01-057-7283

Features and Characteristics

Thread Class
2b single threaded portion
Body Outside Diameter
1.006 inches
Body Inside Diameter
0.375 inches
End Application
Sturgeon class ssn (637). Level 1 / subsafe.
Under Flange Height
0.208 inches
Thread Size
0.312 inches single threaded portion
Seating Surface Shape
Flat
Criticality Code Justification
Feat
Special Features
Weapon system essential
Material
Steel
Thread Series Designator
Unf single threaded portion
FSC
4820 Nonpowered Valves
NIIN
010577283
NSN
4820010577283

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
27209
Cage Code:
0UES3
Status:
A
MSDS:
Part Number:
24120
Cage Code:
79294
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 4820-01-057-7283
What are the manufacturers of nsn 4820010577283?
Does this nsn 4820010577283 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010577283
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 4820010577283 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010577283 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010577283?
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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