Product Details | VALVE SEAT

4820-01-415-4756 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: 298-00-204 PIECE 36, 298-00-204 PIECE 36Q3, 29800204PIECE36, 29800204PIECE36Q3, 4820-01-415-4756, 01-415-4756, 4820014154756, 014154756

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 28 JUN 1995 01-415-4756

Drawings & Photos | NSN 4820-01-415-4756


Demand History | NSN 4820-01-415-4756

Part Number Request Date QTY Origin
4820-01-415-4756 2021-08-239 0 NECO

Cross Reference | NSN 4820-01-415-4756

Part Number Cage Code Manufacturer
298-00-204 PIECE 36 16626 CIRCOR INTL INC
298-00-204 PIECE 36Q3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-01-415-4756

Characteristic Specifications
STYLE DESIGNATOR B6A PLAIN
OVERALL HEIGHT 0.525 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 3.307 INCHES MAXIMUM
MATERIAL ANY ACCEPTABLE OVERALL
HARDNESS RATING 70.0 SHORE DUROMETER D NOMINAL OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION
CRITICALITY CODE JUSTIFICATION ZZZY
MANUFACTURERS CODE 16626
DESIGN CONTROL REFERENCE 298-00-204 PIECE 36

Restrictions/Controls & Freight Information | NSN 4820-01-415-4756

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating S 60
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4820-01-415-4756

Category Code Description
Cognizance Codes3HNAVICP MECH managed Field Level Repairables
Naval Inventory Control Point, Mechanicsburg
Special Material IDQ3Item that supports a Level 1 or SUBSAFE critical system that has undergone quality assurance during the acquisition process.
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each