Product Details | VALVE SEAT

4820-00-275-1442 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: 173562, 4820-00-275-1442, 00-275-1442, 4820002751442, 002751442

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 JUL 1973 00-275-1442

Drawings & Photos | NSN 4820-00-275-1442


Demand History | NSN 4820-00-275-1442

Part Number Request Date QTY Origin
173562 2023-08-222 15 DIBBS
4820-00-275-1442 2018-05-151 30 DIBBS
4820-00-275-1442 2017-12-338 17 DIBBS
4820-00-275-1442 2017-07-183 14 DIBBS
4820-00-275-1442 2017-06-165 14 DIBBS
173562 2016-04-99 1 United States
4820-00-275-1442 2015-08-218 15 DIBBS
4820-00-275-1442 2015-03-64 13 DIBBS
4820-00-275-1442 2014-01-30 7 DIBBS
4820-00-275-1442 2012-06-170 4 DIBBS
4820-00-275-1442 2012-03-75 5 DIBBS
4820-00-275-1442 2012-02-52 7 DIBBS
4820-00-275-1442 2011-06-155 7 DIBBS
4820-00-275-1442 2011-04-111 3 DIBBS
4820-00-275-1442 2011-01-06 4 DIBBS

Cross Reference | NSN 4820-00-275-1442

Part Number Cage Code Manufacturer
173562 99657 MAROTTA CONTROLS, INC.

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Technical Data | NSN 4820-00-275-1442

Characteristic Specifications
STYLE DESIGNATOR B6 PLAIN
OVERALL HEIGHT 0.071 INCHES NOMINAL
BODY OUTSIDE DIAMETER 1.274 INCHES NOMINAL
BODY INSIDE DIAMETER 0.955 INCHES NOMINAL
MATERIAL PLASTIC POLYAMIDE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 40.000 NOMINAL

Restrictions/Controls & Freight Information | NSN 4820-00-275-1442

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious 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 4820-00-275-1442

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each