Product Details | VALVE SEAT

4820-01-563-6489 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: CD023427CP, CD-023-42-7CP, 803-INC6701-A ITEM NO.7, 803-INC6701-A ITEM NO.7CP, 803INC6701AITEMNO7, 803INC6701AITEMNO7CP, 4820-01-563-6489, 01-563-6489, 4820015636489, 015636489

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16-MAY-08 01-563-6489

Drawings & Photos | NSN 4820-01-563-6489


Cross Reference | NSN 4820-01-563-6489

Part Number Cage Code Manufacturer
803-INC6701-A ITEM NO.7 53711 NAVAL SEA SYSTEMS COMMAND
803-INC6701-A ITEM NO.7CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
CD-023-42-7CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-01-563-6489

Characteristic Specifications
STYLE DESIGNATOR B7A PLAIN FLANGED
FLANGE DIAMETER 1.250 INCHES NOMINAL
BODY OUTSIDE DIAMETER 1.010 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.090 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.120 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER 0.120 INCHES NOMINAL FIRST STEP
MATERIAL PLASTIC OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS ITEM REQUIRES SPECIAL CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D.
CRITICALITY CODE JUSTIFICATION ZZZY
III END ITEM IDENTIFICATION VALVE ASSEMBLY, BALL EMERGENCY BLOW MAIN
MANUFACTURERS CODE 53711
DESIGN CONTROL REFERENCE 803-INC6701-A ITEM NO.7

Restrictions/Controls & Freight Information | NSN 4820-01-563-6489

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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
No Freight Information