Product Details | VALVE STEM GUIDE

4820-00-550-6563 A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.20728050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components43100028Compressors and Vacuum Pumps45100033Plumbing Fixtures and Accessories48100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 5506563, 4820-00-550-6563, 00-550-6563, 4820005506563, 005506563

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1960 00-550-6563

Drawings & Photos | NSN 4820-00-550-6563


Cross Reference | NSN 4820-00-550-6563

Part Number Cage Code Manufacturer
5506563 19204 ARMY UNITED STATES DEPARTMENT OF THE

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Technical Data | NSN 4820-00-550-6563

Characteristic Specifications
MATERIAL STEEL, AISI 1045
METALLIC HARDNESS RATING 16.0 MINIMUM ROCKWELL C AND 27.0 MAXIMUM ROCKWELL C
STYLE DESIGNATOR H4 SHOULDERED W/FLATS SHANK END
OVERALL LENGTH 3.468 INCHES NOMINAL
OUTSIDE DIAMETER 1.030 INCHES NOMINAL
MAJOR DIAMETER LENGTH 0.700 INCHES NOMINAL
FLATS LENGTH 0.625 INCHES NOMINAL
WIDTH ACROSS FLATS 0.750 INCHES NOMINAL
BB END SHANK DIAMETER 0.875 INCHES NOMINAL
BORE DIAMETER 0.5620 INCHES NOMINAL
BORE COUNTERBORE INCLUDED
COUNTERBORE LOCATION AA END
COUNTERBORE DIAMETER 1.275 INCHES NOMINAL
COUNTERBORE DEPTH 0.437 INCHES NOMINAL
SPECIAL FEATURES INTERNAL KEYSLOT SECOND END 0.156W X 0.043 H X 0.400 LG TERMINATING IN 0.156 DIA HOLE THROUGH WALL 90 DEG RADIAL FROM FLATS; FIRST END THREADED 1.000-14NF-3A X 0.775 LG INCL 1/16 RELIEF; FIRST END ENLARGED TO 1.519 OD W/GROOVE 1.4359 DIA X 0.125 W AND 1.500-12NF-3A THD 0.468 LG; 63AA FINISH BORE
MANUFACTURERS CODE 19204
DESIGN CONTROL REFERENCE 5506563

Restrictions/Controls & Freight Information | NSN 4820-00-550-6563

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.
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 133300 MACHINERY/MACHINES NOI
Less than car load rating M 85
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code XX
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 4820-00-550-6563

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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