Product Details | VALVE SEAT

4820-00-587-7121 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: 0093040040, 009-304-0040, 52321, 52-3-21, 4820-00-587-7121, 00-587-7121, 4820005877121, 005877121

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-587-7121

Drawings & Photos | NSN 4820-00-587-7121


Demand History | NSN 4820-00-587-7121

Part Number Request Date QTY Origin
4820-00-587-7121 2013-08-216 20 DIBBS
4820-00-587-7121 2013-03-87 18 DIBBS
4820-00-587-7121 2012-11-334 2 DIBBS
4820-00-587-7121 2012-03-68 2 DIBBS
4820-00-587-7121 2011-06-174 5 DIBBS
4820-00-587-7121 2011-04-103 3 DIBBS
4820-00-587-7121 2010-08-242 1 DIBBS
4820-00-587-7121 2009-09-267 5 DIBBS
4820-00-587-7121 2009-04-106 8 DIBBS

Cross Reference | NSN 4820-00-587-7121

Part Number Cage Code Manufacturer
009-304-0040 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
009-304-0040 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
0093040040 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
52-3-21 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
52-3-21 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
52-3-21 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV

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Technical Data | NSN 4820-00-587-7121

Characteristic Specifications
STYLE DESIGNATOR B3A DOUBLE THREAD
FLANGE DIAMETER 3.625 INCHES NOMINAL
OVERALL HEIGHT 1.188 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.500 INCHES NOMINAL
UNDER FLANGE HEIGHT 5.000 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM FIRST STEP 1.750 INCHES NOMINAL SECOND STEP 2.000 INCHES NOMINAL THIRD STEP
MATERIAL STEEL COMP 304 OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE FLAT
THREAD SERIES DESIGNATOR UNS FIRST THREADED PORTION UNS SECOND THREADED PORTION
NOMINAL THREAD SIZE 1.450 INCHES FIRST THREADED PORTION 2.375 INCHES SECOND THREADED PORTION
THREAD QUANTITY PER INCH 24 FIRST THREADED PORTION 14 SECOND THREADED PORTION
THREAD CLASS 2A FIRST THREADED PORTION 2A SECOND THREADED PORTION
THREAD LENGTH 0.438 INCHES NOMINAL FIRST THREADED PORTION 0.750 INCHES NOMINAL SECOND THREADED PORTION

Restrictions/Controls & Freight Information | NSN 4820-00-587-7121

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 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 4820-00-587-7121

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