Valve Seat NSN 4820-00-545-3773

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: 4820-00-545-3773

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Features and Characteristics

Flange Diameter

1.750 inches

Taper Length

0.325 inches

Taper Minor Diameter

Between 0.323 inches and 0.327 inches

Taper Major Diameter

0.467 inches

Body Outside Diameter

1.314 inches

Body Inside Diameter

Between 0.319 inches and 0.320 inches

Seat Radius

0.094 inches

Flange Seat To Disk End Height

0.375 inches

Under Flange Height

0.553 inches

Seating Surface Shape

Radial

Material

Steel body

Material Specification

Qq-s-763, class 410 federal specification single material response body

Style Designator

Plain flanged

FSC

4820 Nonpowered Valves

NIIN

005453773

NSN

4820005453773

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

44B3021-72DPC1H2B

Cage Code:

10855

Status:

MSDS:

Part Number:

44B3021-738

Cage Code:

72957

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 4820-00-545-3773

What are the manufacturers of nsn 4820005453773?

Does this nsn 4820005453773 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820005453773
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 4820005453773 contain any precious metals?
No precious metal content.

Does nsn 4820005453773 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820005453773?
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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