NSN 4820-00-445-4422 1832280081, 183228-0081, 18322881

Product Details | VALVE SEAT

4820-00-445-4422 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.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 1832280081, 183228-0081, 18322881, 183228-81, 280566PC16, 4820-00-445-4422, 00-445-4422, 4820004454422, 004454422

Valves | Valves, Nonpowered

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
48	23 DEC 1970	00-445-4422	22113 ( SEAT, VALVE )

Drawings & Photos | NSN 4820-00-445-4422

Part Number	Request Date	QTY	Origin
183228-0081	2024-03-88	70	DIBBS
183228-0081	2024-03-73	70	DIBBS
183228-0081	2023-04-95	141	DIBBS
183228-0081	2023-03-80	141	DIBBS
183228-0081	2022-04-103	125	DIBBS
183228-0081	2022-03-88	125	DIBBS
183228-0081	2021-04-102	151	DIBBS
183228-0081	2020-03-89	100	DIBBS
183228-0081	2020-01-02	50	DIBBS
183228-0081	2019-03-66	66	DIBBS
4820-00-445-4422	2017-11-306	87	DIBBS
4820-00-445-4422	2017-07-204	64	DIBBS
4820-00-445-4422	2017-06-177	46	DIBBS
4820-00-445-4422	2016-02-34	70	DIBBS
4820-00-445-4422	2015-10-294	77	DIBBS
4820-00-445-4422	2015-06-179	58	DIBBS
4820-00-445-4422	2014-10-294	61	DIBBS
4820-00-445-4422	2014-05-146	54	DIBBS
4820-00-445-4422	2013-07-205	47	DIBBS
4820-00-445-4422	2013-07-204	47	DIBBS
4820-00-445-4422	2013-03-84	41	DIBBS
4820-00-445-4422	2012-11-334	48	DIBBS
4820-00-445-4422	2012-09-262	40	DIBBS
4820-00-445-4422	2012-03-75	30	DIBBS
4820-00-445-4422	2011-12-347	31	DIBBS
4820-00-445-4422	2011-09-249	35	DIBBS
4820-00-445-4422	2011-08-213	27	DIBBS
4820-00-445-4422	2011-05-138	30	DIBBS
4820-00-445-4422	2010-04-111	17	DIBBS
4820-00-445-4422	2010-01-07	34	DIBBS
4820-00-445-4422	2009-11-324	51	DIBBS
4820-00-445-4422	2009-09-244	36	DIBBS
4820-00-445-4422	2009-06-173	44	DIBBS
4820-00-445-4422	2009-04-106	19	DIBBS
4820-00-445-4422	2008-11-317	38	DIBBS

Cross Reference | NSN 4820-00-445-4422

Part Number	Cage Code	Manufacturer
183228-0081	99657	MAROTTA CONTROLS, INC.
183228-81	99657	MAROTTA CONTROLS, INC.
280566PC16	99657	MAROTTA CONTROLS, INC.

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Related Products | NSN 4820-00-445-4422

4820-00-445-4475, 4820-00-445-4786, 4820-00-445-4886, 4820-00-445-4894, 4820-00-445-6030

Technical Data | NSN 4820-00-445-4422

Characteristic	Specifications
STYLE DESIGNATOR	B6 PLAIN
OVERALL HEIGHT	0.048 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	0.429 INCHES MINIMUM AND 0.430 INCHES MAXIMUM
BODY INSIDE DIAMETER	0.257 INCHES MINIMUM AND 0.258 INCHES MAXIMUM
MATERIAL	NYLON,MIL-M-20693 OVERALL
HARDNESS RATING	NOT RATED
SEATING SURFACE SHAPE	ANGULAR
SEAT ANGLE IN DEG	90.000 NOMINAL

Restrictions/Controls & Freight Information | NSN 4820-00-445-4422

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	U	Precious metal type is unknown
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Category	Code	Description
NMF Description	051080	FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	594	unknown
Originating Activity Code	AX	Defense Supply Center Columbus Columbus, OH 43216-5000
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	V	Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling	Z	No special handling required.
Special Handling Code	9	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 4820-00-445-4422

Navy

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each