Valve Seat NSN 4820-01-218-8028

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: 4820-01-218-8028

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Features and Characteristics

Thread Class

2a single threaded portion

Thread Length

1.000 inches single threaded portion

Overall Height

1.250 inches

Taper Length

0.031 inches

Taper Minor Diameter

0.750 inches

Taper Major Diameter

1.000 inches

Body Inside Diameter

1.047 inches

Seat Angle In Deg

0.750

Thready Qty Per Inch (tpi)

18 single threaded portion

Thread Size

1.125 inches single threaded portion

Seating Surface Shape

Angular

Criticality Code Justification

Zzzy

Material

Copper alloy

Material Specification

Qq-n-281 federal specification single material response

Style Designator

B5 plain threaded

Thread Series Designator

Unef 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

012188028

NSN

4820012188028

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

A7410.001.127

Cage Code:

01343

Status:

MSDS:

Part Number:

8538 PIECE 20

Cage Code:

01343

Status:

MSDS:

Part Number:

8538PC20 SPCLN

Cage Code:

01343

Status:

MSDS:

Part Number:

A7410.002.127

Cage Code:

01343

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 4820-01-218-8028

What are the manufacturers of nsn 4820012188028?

Anderson Greenwood Lp (01343)

Does this nsn 4820012188028 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820012188028
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 4820012188028 contain any precious metals?
No precious metal content.

Does nsn 4820012188028 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820012188028?
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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