Product Details | VALVE SEAT

4820-00-991-3342 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: H79162019, H791-6201-9, SS8452115251PC6, SS845-2115251PC6, 255553PC4, 255669PC8, 2640801X2PC8, 2640-801X2PC8, 516-4775898 ITEM 9, 5164775898ITEM9, 516-4775912 ITEM 23, 5164775912ITEM23, 55670158426, 556-7015842-6, 7576540X2PC6, 75765-40X2PC6, 87791-6201 ITEM 23, 877916201ITEM23, 4820-00-991-3342, 00-991-3342, 4820009913342, 009913342

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1962 00-991-3342

Drawings & Photos | NSN 4820-00-991-3342


Demand History | NSN 4820-00-991-3342

Part Number Request Date QTY Origin
4820-00-991-3342 2023-10-275 16 DIBBS
4820-00-991-3342 2023-09-264 16 DIBBS
4820-00-991-3342 2023-05-135 16 DIBBS
4820-00-991-3342 2023-05-124 16 DIBBS
4820-00-991-3342 2023-04-96 6 DIBBS
4820-00-991-3342 2022-11-320 12 DIBBS
4820-00-991-3342 2020-11-307 26 DIBBS
4820-00-991-3342 2020-10-296 26 DIBBS
4820-00-991-3342 2019-07-182 63 DIBBS
4820-00-991-3342 2019-06-171 63 DIBBS
4820-00-991-3342 2017-10-277 60 DIBBS
4820-00-991-3342 2017-09-254 60 DIBBS
4820-00-991-3342 2017-08-241 60 DIBBS
4820-00-991-3342 2017-02-53 60 DIBBS
4820-00-991-3342 2015-08-225 20 DIBBS
4820-00-991-3342 2015-06-180 78 DIBBS
4820-00-991-3342 2014-06-167 34 DIBBS
4820-00-991-3342 2014-06-155 34 DIBBS

Cross Reference | NSN 4820-00-991-3342

Part Number Cage Code Manufacturer
255553PC4 43689 HUNTINGTON INGALLS INCORPORATED DIV NEWPORT NEWS
255669PC8 43689 HUNTINGTON INGALLS INCORPORATED DIV NEWPORT NEWS
2640-801X2PC8 96169 ELECTRIC BOAT CORPORATION
516-4775898 ITEM 9 53711 NAVAL SEA SYSTEMS COMMAND
516-4775912 ITEM 23 53711 NAVAL SEA SYSTEMS COMMAND
556-7015842-6 53711 NAVAL SEA SYSTEMS COMMAND
75765-40X2PC6 96169 ELECTRIC BOAT CORPORATION
87791-6201 ITEM 23 96169 ELECTRIC BOAT CORPORATION
H791-6201-9 96169 ELECTRIC BOAT CORPORATION
SS845-2115251PC6 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-00-991-3342

Characteristic Specifications
STYLE DESIGNATOR B6 PLAIN
OVERALL HEIGHT 0.625 INCHES NOMINAL
BODY OUTSIDE DIAMETER 3.625 INCHES NOMINAL
BODY INSIDE DIAMETER 2.125 INCHES NOMINAL
MATERIAL PLASTIC OVERALL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS 0.625 INCHES NOMINAL
MANUFACTURERS CODE 96169
DESIGN CONTROL REFERENCE 75765-40X2PC6

Restrictions/Controls & Freight Information | NSN 4820-00-991-3342

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 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 XX
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 4820-00-991-3342

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