Valve Seat

002-18-12-0001-0001

(NSN) National Stock Number

4820-00-118-1444

Federal Supply Classification

4820 Nonpowered Valves

Item Name Code

22113

Schedule B Code

8481909090

Summary

2.052 inches minimum and 2.057 inches maximum flange diameter, 1.802 inches minimum and 1.807 inches maximum body outside diameter, 1.000 inches nominal body inside diameter, 0.160 inches nominal flange seat to disk end height, 0.140 inches minimum and 0.150 inches maximum under flange height, 35.000 nominal seat angle in deg

DAC	HCC	DMIL	RNCC
5	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	HD

Identification

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.

INC	FIIG	Concept	Condition
22113	A15500	-	2

Specifications

Flange Diameter

2.052 inches minimum and 2.057 inches maximum

Details

The length of a straight line which passes through the center of a flange,and terminates at the circumference.

Body Outside Diameter

1.802 inches minimum and 1.807 inches maximum

Details

The length of a straight line which passes through the center of the body,and terminates at the outside circumference.

Body Inside Diameter

1.000 inches nominal

Details

The length of a straight line which passes through the center of a body,and terminates at the inside circumference.

Flange Seat To Disk End Height

0.160 inches nominal

Details

None.

Under Flange Height

0.140 inches minimum and 0.150 inches maximum

Details

None.

Seat Angle In Deg

35.000 nominal

Details

The angle of the end surface upon which the mated surface seats,expressed in degrees.

Seating Surface Shape

angular

Details

The physical configuration of the surface of the seat.

Criticality Code Justification

zzzy

Details

The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.

Material

plastic polytetrafluoroethylene overall

Details

The chemical compound or mechanical mixture properties of which the item is fabricated.

Style Designator

plain flanged

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

Reference Number Differentiating Characteristics

items that support a level 1 or subsafe critical system that has undergone quality assurance during the acquisition process

Details

A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
2620-926X3PC14TFN3-4IN	96169	1	-	5	9	-	HD
803-5001003-A4X1-04	53711	5	-	3	1	-	HD
002-18-12-0004-0007	16626	5	-	5	9	-	HD
2620-926X3PC14TFN3-4IN	16626	1	-	5	9	-	HD
002-18-12-0001-0001Q3	03950	6	-	5	2	-	HD
002-18-12-0004-0007Q3	03950	6	-	5	2	-	HD
2620-926X3PC14TFN3-4INQ3	03950	6	-	5	2	-	HD
803-5001003-A4X1-04Q3	03950	6	-	5	2	-	HD
SS845-2110239PC14TFN3-4INQ3	03950	6	-	5	2	-	HD
SS845-2110239PC14TFN3-4IN	80064	1	-	5	1	-	HD

Material and Special Handling

Hazardous material, precious metals, criticality, and electrostatic discharge indicators.

HMIC	PMIC	ESD/EMI	Criticality
N	A	-	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
29300	-	W	-

RVC	WCC	TCC	SHC
-	594	Z	9

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

Genuine Manufacturers Parts
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7 Year Sales Record Retention
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HAZMAT Certified
Global Shipping

Manufacturer

CIRCOR INTL INC

CAGE: 16626

MILFORD , NH , 03055

UNITED STATES

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FAQs

Frequently asked questions for NSN 4820-00-118-1444

What is the NIIN of the NSN 4820-00-118-1444?

The National Item Identification Number (NIIN) of the NSN 4820-00-118-1444 is 00-118-1444

When the NSN 4820-00-118-1444 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Sat, Jan 6, 1973

Does the NSN 4820-00-118-1444 contain any precious metals?

Does not contain precious metal

Does the NSN 4820-00-118-1444 contain any hazardous material?

No data in HMIRS

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