Product Details | VALVE SEAT

4820-01-029-2783 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: 4008G83 PIECE 3, 4008G83003, 4008G83-003, 4008G833, 4008G83-3 , 4008G83PIECE3, 6016038003, 6016038-003 , 781E733P38, 4820-01-029-2783, 01-029-2783, 4820010292783, 010292783

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16 OCT 1976 01-029-2783

Drawings & Photos | NSN 4820-01-029-2783


Demand History | NSN 4820-01-029-2783

Part Number Request Date QTY Origin
6016038-003 2025-08-219 1 DIBBS
781E733P38 2025-08-219 1 DIBBS
6016038-003 2023-09-253 6 DIBBS
781E733P38 2023-09-253 6 DIBBS
6016038-003 2022-12-342 6 DIBBS
781E733P38 2022-12-342 6 DIBBS
6016038-003 2022-11-317 6 DIBBS
781E733P38 2022-11-317 6 DIBBS
6016038-003 2020-12-355 6 DIBBS
781E733P38 2020-12-355 6 DIBBS
4820-01-029-2783 2017-08-235 4 DIBBS
4820-01-029-2783 2017-01-02 10 DIBBS
4820-01-029-2783 2016-11-312 8 DIBBS
4820-01-029-2783 2016-10-284 5 DIBBS
4820-01-029-2783 2016-05-136 3 DIBBS
4820-01-029-2783 2016-01-18 5 DIBBS
4820-01-029-2783 2014-10-275 2 DIBBS
4820-01-029-2783 2014-09-254 3 DIBBS
4820-01-029-2783 2014-04-100 1 DIBBS
4820-01-029-2783 2014-01-15 4 DIBBS
4820010292783 2013-06-157 2 United States
4820-01-029-2783 2013-04-115 4 DIBBS
4820-01-029-2783 2013-03-88 3 DIBBS
4820-01-029-2783 2013-02-41 2 DIBBS
4820-01-029-2783 2012-09-260 1 DIBBS
4820-01-029-2783 2012-08-239 1 DIBBS
4820-01-029-2783 2011-02-41 2 DIBBS
4820-01-029-2783 2010-04-111 7 DIBBS
4820-01-029-2783 2009-04-105 2 DIBBS

Cross Reference | NSN 4820-01-029-2783

Part Number Cage Code Manufacturer
4008G83 PIECE 3 01289 GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
4008G83 PIECE 3 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV
4008G83-003 01289 GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
4008G83-003 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV
4008G83-3 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV
6016038-003 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV
781E733P38 01289 GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
781E733P38 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV

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Technical Data | NSN 4820-01-029-2783

Characteristic Specifications
STYLE DESIGNATOR B7 PLAIN FLANGED
FLANGE DIAMETER 5.250 INCHES MINIMUM AND 5.251 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 4.180 INCHES NOMINAL
BODY INSIDE DIAMETER 2.578 INCHES MINIMUM AND 2.588 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 1.620 INCHES NOMINAL
UNDER FLANGE HEIGHT 4.380 INCHES NOMINAL
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS 0.180 INCHES NOMINAL
MANUFACTURERS CODE 0BR59
DESIGN CONTROL REFERENCE 4008G83 PIECE 3

Restrictions/Controls & Freight Information | NSN 4820-01-029-2783

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 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4820-01-029-2783

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