Valve Seat NSN 4820-01-633-3171

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: 4820-01-633-3171

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Related NSN

Features and Characteristics

Criticality Code Justification

Zzzy

Part Name Assigned By Controlling Agency

Seat, valve

Reference Number Differentiating Characteristics

Items that support a level i or subsafe critical system/component that has undergone quality assurance during the acquisition process and requires objective quality evidence (oqe) traceable to permanent marking on the material

FSC

4820 Nonpowered Valves

NIIN

016333171

NSN

4820016333171

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

801-6404978 FIND 11

Cage Code:

53711

Status:

MSDS:

Part Number:

801-6404978 FIND 11Q3

Cage Code:

03950

Status:

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 4820-01-633-3171

What are the manufacturers of nsn 4820016333171?

Naval Sea Systems Command (53711)
Naval Inventory Control Point (03950)

Does this nsn 4820016333171 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820016333171
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 4820016333171 contain any precious metals?
No precious metal content.

Does nsn 4820016333171 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820016333171?
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:

Cond. Code:

Status:

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

On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service