Product Details | VALVE SEAT

4820-01-146-7935 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: CS4820SV0721, CS4820-SV-0721, 1826900030, 182690-0030, 18269030, 182690-30, 280904 ITEM 26, 280904ITEM26, 4820-01-146-7935, 01-146-7935, 4820011467935, 011467935

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 05 FEB 1983 01-146-7935

Drawings & Photos | NSN 4820-01-146-7935


Demand History | NSN 4820-01-146-7935

Part Number Request Date QTY Origin
4820-01-146-7935 2013-06-175 34 DIBBS
4820-01-146-7935 2012-10-290 6 DIBBS
4820-01-146-7935 2010-05-149 1 Taiwan
4820-01-146-7935 2010-03-87 1 Taiwan

Cross Reference | NSN 4820-01-146-7935

Part Number Cage Code Manufacturer
182690-0030 99657 MAROTTA CONTROLS, INC.
182690-30 99657 MAROTTA CONTROLS, INC.
280904 ITEM 26 99657 MAROTTA CONTROLS, INC.
CS4820-SV-0721 16236 DLA LAND AND MARITIME

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Technical Data | NSN 4820-01-146-7935

Characteristic Specifications
STYLE DESIGNATOR B5A PLAIN THREADED
OVERALL HEIGHT 0.632 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER 2.258 INCHES NOMINAL FIRST STEP 2.198 INCHES NOMINAL SECOND STEP
MATERIAL STEEL CORROSION RESISTING BODY
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 60.000 NOMINAL
THREAD SERIES DESIGNATOR UN SINGLE THREADED PORTION
NOMINAL THREAD SIZE 2.750 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH 12 SINGLE THREADED PORTION
THREAD CLASS 2A SINGLE THREADED PORTION
THREAD LENGTH 0.438 INCHES NOMINAL SINGLE THREADED PORTION
SPECIAL FEATURES CENTER SPOKED W/GUIDE HOLE

Restrictions/Controls & Freight Information | NSN 4820-01-146-7935

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:AItem does not contain precious metal
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 576 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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-01-146-7935

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