Valve Seat NSN 4820-01-541-7287

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: 4820-01-541-7287

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Features and Characteristics

Flange Diameter

3.557 inches

Overall Height

0.330 inches

Body Outside Diameter

2.557 inches

Body Inside Diameter

1.500 inches

End Application

2-way 1.5 inch ball valve; new construction ssn23

Flange Seat To Disk End Height

0.330 inches

Under Flange Height

0.170 inches

Seat Angle In Deg

45.000

Seating Surface Shape

Angular

Body Stepped Inside Diameter

2.557 inches first step

Criticality Code Justification

Zzzy

Part Name Assigned By Controlling Agency

Seat

Special Features

Material is virgin ptfe, glass reinforced iaw astm 4745 type ii grade 15% glass fiber; must meet applicable stack height requirement in table no. 284, pg 28 of drawing

Material

Plastic polytetrafluoroethylene

Style Designator

Plain flanged

Reference Number Differentiating Characteristics

Cleaning and packaging per mil-std-1330d

FSC

4820 Nonpowered Valves

NIIN

015417287

NSN

4820015417287

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

803-5001003-X7X1-04

Cage Code:

53711

Status:

MSDS:

Part Number:

803-5001003-X7XX-04

Cage Code:

53711

Status:

MSDS:

Part Number:

803-5001003-X7X1-04CP

Cage Code:

03950

Status:

MSDS:

Part Number:

5001003

Cage Code:

53711

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 4820-01-541-7287

What are the manufacturers of nsn 4820015417287?

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

Does this nsn 4820015417287 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820015417287
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 4820015417287 contain any precious metals?
No precious metal content.

Does nsn 4820015417287 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820015417287?
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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