Product Details | VALVE SEAT

4820-00-431-1653 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: 12529, 12529A, 4820-00-431-1653, 00-431-1653, 4820004311653, 004311653

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1961 00-431-1653

Drawings & Photos | NSN 4820-00-431-1653


Demand History | NSN 4820-00-431-1653

Part Number Request Date QTY Origin
12529 2015-03-77 4 Singapore

Cross Reference | NSN 4820-00-431-1653

Part Number Cage Code Manufacturer
12529 1XBP3 LEROI INTERNATIONAL INC DBA COMPAIR LEROI
12529 53239 COMPAIR KELLOGG DIV OF ROBERTSHAW CONTROLS CO
12529 53496 SCHRAMM INC.
12529 80819 ABEX CORP ENGINEERED PRODUCTS DIV
12529 93835 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC SYSTEMS DIVISION
12529 9F512 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC PUMP DIVISION
12529A 53239 COMPAIR KELLOGG DIV OF ROBERTSHAW CONTROLS CO

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Technical Data | NSN 4820-00-431-1653

Characteristic Specifications
STYLE DESIGNATOR B5 PLAIN THREADED
OVERALL HEIGHT 0.168 INCHES MINIMUM AND 0.182 INCHES MAXIMUM
BODY INSIDE DIAMETER 0.500 INCHES NOMINAL
MATERIAL COPPER OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 0.750 NOMINAL
THREAD SERIES DESIGNATOR UNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE 1.500 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH 24 SINGLE THREADED PORTION
THREAD CLASS 3A SINGLE THREADED PORTION
THREAD LENGTH 0.137 INCHES NOMINAL SINGLE THREADED PORTION
III END ITEM IDENTIFICATION GRUMMAN AEROSPACE A-10 AIRCRAFT

Restrictions/Controls & Freight Information | NSN 4820-00-431-1653

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 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 4820-00-431-1653

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 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
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