Product Details | VALVE SEAT

4820-01-156-4860 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: N5766, N5766 PIECE 3 AND 5, N5766PIECE3AND5, 4820-01-156-4860, 01-156-4860, 4820011564860, 011564860

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 21 JUN 1983 01-156-4860

Drawings & Photos | NSN 4820-01-156-4860


Demand History | NSN 4820-01-156-4860

Part Number Request Date QTY Origin
N5766 PIECE 3 AND 5 2022-11-317 2 DIBBS
N5766 PIECE 3 AND 5 2022-07-188 3 DIBBS
N5766 PIECE 3 AND 5 2021-03-87 2 DIBBS
4820-01-156-4860 2017-08-233 2 DIBBS
4820-01-156-4860 2014-10-287 2 DIBBS
4820-01-156-4860 2013-11-308 2 DIBBS
4820-01-156-4860 2013-10-279 1 DIBBS

Cross Reference | NSN 4820-01-156-4860

Part Number Cage Code Manufacturer
N5766 09032 TATE ANDALE, INC.
N5766 PIECE 3 AND 5 09032 TATE ANDALE, INC.

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Technical Data | NSN 4820-01-156-4860

Characteristic Specifications
STYLE DESIGNATOR B1 THREADED FLANGED
FLANGE DIAMETER 2.743 INCHES NOMINAL
BODY INSIDE DIAMETER 1.500 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.470 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.430 INCHES NOMINAL
MATERIAL COPPER ALLOY OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 45.000 NOMINAL
THREAD SERIES DESIGNATOR UN SINGLE THREADED PORTION
NOMINAL THREAD SIZE 2.000 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH 12 SINGLE THREADED PORTION
THREAD CLASS 2A SINGLE THREADED PORTION
THREAD LENGTH 0.405 INCHES NOMINAL SINGLE THREADED PORTION
SPECIAL FEATURES STEEL PLUNGER IN SEAT CENTER

Restrictions/Controls & Freight Information | NSN 4820-01-156-4860

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 576 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 4820-01-156-4860

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
AY : Assembly