Valve Seat NSN 4820-01-502-6865

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: 4820-01-502-6865

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Features and Characteristics

Thread Class

2a second threaded portion

Thread Length

0.380 inches second threaded portion

Overall Height

1.250 inches

Taper Minor Diameter

0.435 inches

Taper Major Diameter

0.570 inches

Body Inside Diameter

Between 0.435 inches and 0.750 inches

End Application

1/2 inch relief valve type 1771-t

Seat Radius

0.217 inches

Seat Angle In Deg

Between 30.000 and 60.000

Thready Qty Per Inch (tpi)

16 first threaded portion

Thread Size

0.687 inches first threaded portion

Seating Surface Shape

Angular

Material

Steel comp 316 seat

Material Specification

Astm a479 type 316 assn standard single material response seat

Style Designator

Double flanged

Thread Series Designator

Unef second threaded portion

Reference Number Differentiating Characteristics

Asdifferentiated by: part requires special material control and quality assurance, which support the non-magnetic signature of minesweepers.

FSC

4820 Nonpowered Valves

NIIN

015026865

NSN

4820015026865

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

B14532.001.102

Cage Code:

01343

Status:

MSDS:

Part Number:

MH105 FIND NO.4

Cage Code:

01343

Status:

MSDS:

Part Number:

B14532.001.102VM

Cage Code:

03950

Status:

MSDS:

Part Number:

MH105

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 4820-01-502-6865

What are the manufacturers of nsn 4820015026865?

Anderson Greenwood Lp (01343)
Naval Inventory Control Point (03950)

Does this nsn 4820015026865 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820015026865
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 4820015026865 contain any precious metals?
No precious metal content.

Does nsn 4820015026865 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820015026865?
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
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