Valve Seat NSN 4820-01-170-1395

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: 4820-01-170-1395

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Features and Characteristics

Thread Class

3a single threaded portion

Thread Length

0.222 inches single threaded portion

Flange Diameter

0.937 inches

Body Inside Diameter

0.471 inches

Flange Seat To Disk End Height

0.122 inches

Under Flange Height

0.315 inches

Seat Angle In Deg

15.000

Thready Qty Per Inch (tpi)

24 single threaded portion

Thread Size

0.765 inches single threaded portion

Seating Surface Shape

Angular

Criticality Code Justification

Zzzy

Material

Nickel alloy

Style Designator

Threaded flanged

Thread Series Designator

Uns single threaded portion

Reference Number Differentiating Characteristics

Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications

FSC

4820 Nonpowered Valves

NIIN

011701395

NSN

4820011701395

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

803-2177934-X3XX-18SPCLN

Cage Code:

80064

Status:

MSDS:

Part Number:

803-2177934-X2XX-18SPCLN

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 4820-01-170-1395

What are the manufacturers of nsn 4820011701395?

Naval Ship Systems Command (80064)

Does this nsn 4820011701395 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820011701395
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 4820011701395 contain any precious metals?
No precious metal content.

Does nsn 4820011701395 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820011701395?
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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