Product Details | VALVE SEAT

4820-01-087-7102 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: 5154695738, 515-4695738, 515-4695738 ITEM 1, 5154695738ITEM1, 87552-0611 ITEM 1, 875520611ITEM1, 4820-01-087-7102, 01-087-7102, 4820010877102, 010877102

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 DEC 1979 01-087-7102

Drawings & Photos | NSN 4820-01-087-7102


Cross Reference | NSN 4820-01-087-7102

Part Number Cage Code Manufacturer
515-4695738 80064 NAVAL SHIP SYSTEMS COMMAND
515-4695738 ITEM 1 80064 NAVAL SHIP SYSTEMS COMMAND
87552-0611 ITEM 1 96169 ELECTRIC BOAT CORPORATION

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Technical Data | NSN 4820-01-087-7102

Characteristic Specifications
STYLE DESIGNATOR B7 PLAIN FLANGED
FLANGE DIAMETER 18.630 INCHES NOMINAL
BODY OUTSIDE DIAMETER 15.240 INCHES MINIMUM AND 15.245 INCHES MAXIMUM
BODY INSIDE DIAMETER 12.830 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 2.498 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.252 INCHES NOMINAL
MATERIAL NICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 10.000 NOMINAL
SPECIAL FEATURES FLANGE SURFACE HAS 12 0.546 IN. DIA HOLES EQUALLY SPACED ON 17.500 IN. BOLT CIRCLE; HOLES COUNTERBORED 0.800 IN. DIA AND 1.987 IN. DEPTH

Restrictions/Controls & Freight Information | NSN 4820-01-087-7102

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 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 4820-01-087-7102

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