Valve Seat NSN 4820-01-507-7391

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: 4820-01-507-7391

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Features and Characteristics

Thread Class

3a single threaded portion

Err Default

0.250 inches single threaded portion

Overall Height

0.500 inches

Body Inside Diameter

Between 2.080 inches and 2.084 inches

Thready Qty Per Inch (tpi)

16 single threaded portion

Thread Size

2.625 inches single threaded portion

Seating Surface Shape

Flat

Part Name Assigned By Controlling Agency

Ring, seat

Special Features

Octagon or lug socket acceptable for removable seat ring

Material

Nickel alloy

Style Designator

B5 plain threaded

Thread Series Designator

Un single threaded portion

FSC

4820 Nonpowered Valves

NIIN

015077391

NSN

4820015077391

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

803-1385714-8-22

Cage Code:

53711

Status:

MSDS:

Part Number:

1385714

Cage Code:

80064

Status:

MSDS:

Part Number:

803-1385714-8-06

Cage Code:

53711

Status:

MSDS:

Part Number:

803-1385714 PC NO 6

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 4820-01-507-7391

What are the manufacturers of nsn 4820015077391?

Naval Sea Systems Command (53711)
Naval Ship Systems Command (80064)

Does this nsn 4820015077391 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820015077391
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 4820015077391 contain any precious metals?
No precious metal content.

Does nsn 4820015077391 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820015077391?
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