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Valve Seat NSN 4820-01-504-7557

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 4820-01-504-7557 NSN: 4820-01-504-7557

Features and Characteristics

Overall Height
0.250 inches
Body Outside Diameter
1.0620 inches
Body Inside Diameter
0.562 inches
End Application
Nssn class submarine, towed sonar hull and backup valve
Seat Radius
0.281 inches
Seating Surface Shape
Radial
Special Features
Mearthane valve seat material
Material
Plastic polyurethane
Material Specification
Md-71gg mfr ref single material response
Style Designator
Plain
FSC
4820 Nonpowered Valves
NIIN
015047557
NSN
4820015047557

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2640-801X01 ITEM 16
Cage Code:
96169
Status:
A
MSDS:
Part Number:
264080101-0016
Cage Code:
96169
Status:
A
MSDS:
Part Number:
H684-1505-92
Cage Code:
96169
Status:
A
MSDS:
Part Number:
563-7286781-92
Cage Code:
53711
Status:
A
MSDS:
Part Number:
MD-71GG
Cage Code:
04612
Status:
A
MSDS:
Part Number:
563-7286781
Cage Code:
53711
Status:
A
MSDS:
Part Number:
2640-801X1
Cage Code:
96169
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 4820-01-504-7557
What are the manufacturers of nsn 4820015047557?
Does this nsn 4820015047557 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015047557
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 4820015047557 contain any precious metals?
No precious metal content.
Does nsn 4820015047557 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015047557?
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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