Valve Seat NSN 4820-01-287-4874

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: 4820-01-287-4874

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Features and Characteristics

Thread Class

3a single threaded portion

Flange Diameter

0.930 inches

End Application

Valve, globe .25in; valve anl .25ips 700psi swldg copni; valve glb .25ips 700psi sb cna; valve anl .25ips 700psi sb brz; valve anl .25ips 700psi sb cop ni; valve anl .25ips 700psi swldg cna

Flange Seat To Disk End Height

0.122 inches

Thready Qty Per Inch (tpi)

24 single threaded portion

Thread Size

0.7656 inches single threaded portion

Seating Surface Shape

Angular

Material

Nickel alloy

Style Designator

Threaded flanged

Thread Series Designator

Uns single threaded portion

FSC

4820 Nonpowered Valves

NIIN

012874874

NSN

4820012874874

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

803-2177934-X1XX-18

Cage Code:

80064

Status:

MSDS:

Part Number:

2620-902X10 PC 20 1/4IN

Cage Code:

96169

Status:

MSDS:

Part Number:

2110254 PC 20

Cage Code:

80064

Status:

MSDS:

Part Number:

2110254 PIECE 20 1/4 IN

Cage Code:

80064

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 4820-01-287-4874

What are the manufacturers of nsn 4820012874874?

Naval Ship Systems Command (80064)
Electric Boat Corporation (96169)

Does this nsn 4820012874874 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820012874874
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 4820012874874 contain any precious metals?
No precious metal content.

Does nsn 4820012874874 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820012874874?
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
Quality Fast Service