Valve Seat NSN 4820-00-375-7857

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: 4820-00-375-7857

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Features and Characteristics

Thread Class

3a single threaded portion

Err Default

0.563 inches single threaded portion

Overall Height

0.688 inches

Body Inside Diameter

1.875 inches

Seat Angle In Deg

45.000

Thready Qty Per Inch (tpi)

18 single threaded portion

Thread Size

2.500 inches single threaded portion

Seating Surface Shape

Angular

Material

Nickel alloy

Style Designator

Plain threaded

Thread Series Designator

Uns single threaded portion

FSC

4820 Nonpowered Valves

NIIN

003757857

NSN

4820003757857

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

85482

Cage Code:

38056

Status:

MSDS:

Part Number:

V6092CALT3ITEM1

Cage Code:

38056

Status:

MSDS:

Part Number:

R6309LLPC4-1-1-2

Cage Code:

38056

Status:

MSDS:

Part Number:

R6309SPC4-85482

Cage Code:

38056

Status:

MSDS:

Part Number:

R6309TPC85482

Cage Code:

38056

Status:

MSDS:

Part Number:

5119-4824-3800PC4-85482

Cage Code:

80064

Status:

MSDS:

Part Number:

5119-4824-3803PC4-1-1-2

Cage Code:

80064

Status:

MSDS:

Part Number:

5119-4824-3805PC85482

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 4820-00-375-7857

What are the manufacturers of nsn 4820003757857?

Ashcroft Inc. (38056)
Naval Ship Systems Command (80064)

Does this nsn 4820003757857 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820003757857
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 4820003757857 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820003757857 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820003757857?
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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Certificate of Conformance
Quality Inspected Parts
Quality Fast Service