Product Details | VALVE SEAT

4820-01-021-4486 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: EBCN56970602, EBCN56-97-0602, 264140201PC73, 2641-402-01PC73, 264140201PIEC, 2641-402-01PIEC, 56970602, 56-97-0602, 4820-01-021-4486, 01-021-4486, 4820010214486, 010214486

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 17 MAY 1976 01-021-4486

Drawings & Photos | NSN 4820-01-021-4486


Demand History | NSN 4820-01-021-4486

Part Number Request Date QTY Origin
56-97-0602A 2023-08-226 8 DIBBS
56-97-0602A 2023-06-166 8 DIBBS
56-97-0602A 2023-05-136 4 DIBBS
56-97-0602A 2023-02-32 4 DIBBS
56-97-0602 2022-10-297 2 DIBBS
56-97-0602 2022-10-290 2 DIBBS
56-97-0602 2022-10-286 2 DIBBS
56-97-0602 2022-10-278 2 DIBBS
4820-01-021-4486 2018-01-24 2 DIBBS
4820-01-021-4486 2015-02-49 2 DIBBS

Cross Reference | NSN 4820-01-021-4486

Part Number Cage Code Manufacturer
2641-402-01PC73 96169 ELECTRIC BOAT CORPORATION
2641-402-01PIEC 96169 ELECTRIC BOAT CORPORATION
56-97-0602 96169 ELECTRIC BOAT CORPORATION
EBCN56-97-0602 96169 ELECTRIC BOAT CORPORATION

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Technical Data | NSN 4820-01-021-4486

Characteristic Specifications
STYLE DESIGNATOR B6 PLAIN
OVERALL HEIGHT 0.258 INCHES NOMINAL
BODY OUTSIDE DIAMETER 1.062 INCHES NOMINAL
BODY INSIDE DIAMETER 0.562 INCHES NOMINAL
MATERIAL PLASTIC POLYAMIDE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS 0.281 INCHES NOMINAL
SEAL ACCOMMODATION TYPE BEADED

Restrictions/Controls & Freight Information | NSN 4820-01-021-4486

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 594 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 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 4820-01-021-4486

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each