Product Details | VALVE SEAT

4810-00-574-7570 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: 743053, 74-305-3, 4810-00-574-7570, 00-574-7570, 4810005747570, 005747570

Valves | Valves, Powered

Supply Group (FSG) NSN Assign. NIIN
48 08 DEC 1974 00-574-7570

Drawings & Photos | NSN 4810-00-574-7570


Demand History | NSN 4810-00-574-7570

Part Number Request Date QTY Origin
74-305-3 2019-05-135 10 DIBBS
74-305-3 2019-02-34 26 DIBBS
74-305-3 2019-01-23 1 DIBBS

Cross Reference | NSN 4810-00-574-7570

Part Number Cage Code Manufacturer
74-305-3 04845 AUTOMATIC SWITCH COMPANY

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Technical Data | NSN 4810-00-574-7570

Characteristic Specifications
STYLE DESIGNATOR B1A THREADED FLANGED
FLANGE DIAMETER 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.095 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.250 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER 0.183 INCHES NOMINAL FIRST STEP 0.303 INCHES NOMINAL SECOND STEP
HARDNESS RATING NOT RATED
THREAD SERIES DESIGNATOR UNEF SINGLE THREADED PORTION
NOMINAL THREAD SIZE 0.375 INCHES SINGLE THREADED PORTION
THREAD CLASS 3A SINGLE THREADED PORTION
THREAD LENGTH 0.195 INCHES NOMINAL SINGLE THREADED PORTION

Restrictions/Controls & Freight Information | NSN 4810-00-574-7570

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:UPrecious metal type is unknown
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 72D 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 4810-00-574-7570

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