Product Details | VALVE SEAT

4820-01-159-7021 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: 2158954, 2452712, 4820-01-159-7021, 01-159-7021, 4820011597021, 011597021

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 12 AUG 1983 01-159-7021

Drawings & Photos | NSN 4820-01-159-7021


Demand History | NSN 4820-01-159-7021

Part Number Request Date QTY Origin
4820-01-159-7021 2022-10-279 549 DIBBS
4820-01-159-7021 2022-04-97 422 DIBBS
4820-01-159-7021 2021-11-319 187 DIBBS
4820-01-159-7021 2020-12-353 1 TW
4820-01-159-7021 2020-10-294 373 DIBBS
4820-01-159-7021 2020-05-149 360 DIBBS
4820-01-159-7021 2018-11-309 463 us
4820-01-159-7021 2018-10-298 463 DIBBS
4820-01-159-7021 2017-09-264 316 DIBBS
4820-01-159-7021 2017-03-82 60 DIBBS
4820-01-159-7021 2016-10-278 71 DIBBS
4820-01-159-7021 2016-08-228 73 DIBBS
4820-01-159-7021 2016-03-63 130 DIBBS
4820-01-159-7021 2016-02-35 93 DIBBS
4820-01-159-7021 2015-07-211 119 DIBBS
4820-01-159-7021 2015-06-168 66 DIBBS
4820-01-159-7021 2015-05-141 60 DIBBS
4820-01-159-7021 2015-04-113 44 DIBBS
4820-01-159-7021 2015-02-34 34 DIBBS
4820-01-159-7021 2014-10-275 52 DIBBS
4820-01-159-7021 2014-06-168 20 DIBBS
4820-01-159-7021 2014-03-65 4 DIBBS
4820-01-159-7021 2013-12-340 4 DIBBS
4820-01-159-7021 2013-11-325 4 DIBBS
4820-01-159-7021 2012-09-265 31 DIBBS
4820-01-159-7021 2012-08-239 25 DIBBS
4820-01-159-7021 2012-03-62 30 DIBBS
4820-01-159-7021 2011-02-42 3 DIBBS
4820-01-159-7021 2009-03-71 100 DIBBS
4820-01-159-7021 2009-02-55 39 DIBBS
4820-01-159-7021 2008-08-235 88 DIBBS

Cross Reference | NSN 4820-01-159-7021

Part Number Cage Code Manufacturer
2158954 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
2158954 53711 NAVAL SEA SYSTEMS COMMAND
2452712 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4820-01-159-7021

Characteristic Specifications
MATERIAL RUBBER SILICONE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE FLAT
TAPER MINOR DIAMETER 0.654 INCHES NOMINAL
TAPER MAJOR DIAMETER 0.940 INCHES NOMINAL
TAPER LENGTH 0.144 INCHES MINIMUM AND 0.150 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 4820-01-159-7021

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 594 unknown
Originating Activity Code ZN Netherlands
ZO
ZP
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 4820-01-159-7021

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