Valve Seat NSN 4820-00-175-1981

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: 4820-00-175-1981

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Features and Characteristics

Thread Class

3a single threaded portion

Thread Length

0.053 inches single threaded portion

Overall Height

0.100 inches

Body Inside Diameter

0.375 inches

Seat Radius

0.005 inches

Seat Angle In Deg

Between 5.000 and 30.000

Thread Size

0.562 inches single threaded portion

Seating Surface Shape

Angular

Material

Brass bar

Material Specification

Qq-b-611-b federal specification single material response

Style Designator

Plain threaded

Thread Series Designator

Unf single threaded portion

FSC

4820 Nonpowered Valves

NIIN

001751981

NSN

4820001751981

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

346554PC4

Cage Code:

10001

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 4820-00-175-1981

What are the manufacturers of nsn 4820001751981?

Navair And Navsea Managed (10001)

Does this nsn 4820001751981 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820001751981
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 4820001751981 contain any precious metals?
No precious metal content.

Does nsn 4820001751981 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820001751981?
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:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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