Product Details | VALVE SEAT

4820-01-029-2781 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: W6016038002, W6016038-002 , 4008G83 PIECE 2, 4008G83002, 4008G83-002, 4008G832, 4008G83-2 , 4008G83PIECE2, 6016038002, 6016038-002 , 6016038P002 , 781E733P39, 4820-01-029-2781, 01-029-2781, 4820010292781, 010292781

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16 OCT 1976 01-029-2781

Drawings & Photos | NSN 4820-01-029-2781


Demand History | NSN 4820-01-029-2781

Part Number Request Date QTY Origin
6016038-002 2025-05-128 2 DIBBS
6016038P002 2025-05-128 2 DIBBS
W6016038-002 2025-05-128 2 DIBBS
6016038-002 2021-11-319 3 DIBBS
6016038P002 2021-11-319 3 DIBBS
W6016038-002 2021-11-319 3 DIBBS
6016038-002 2020-12-352 2 DIBBS
6016038P002 2020-12-352 2 DIBBS
W6016038-002 2020-12-352 2 DIBBS
6016038-002 2019-12-356 3 DIBBS
6016038P002 2019-12-356 3 DIBBS
W6016038-002 2019-12-356 3 DIBBS
6016038-002 2019-12-343 3 DIBBS
6016038P002 2019-12-343 3 DIBBS
W6016038-002 2019-12-343 3 DIBBS
4820-01-029-2781 2018-06-172 4 DIBBS
4820-01-029-2781 2017-07-204 5 DIBBS
4820-01-029-2781 2016-12-340 2 DIBBS
4820-01-029-2781 2016-09-273 1 DIBBS
4820-01-029-2781 2016-08-238 2 DIBBS
4820-01-029-2781 2016-02-39 3 DIBBS
4820-01-029-2781 2016-01-18 1 DIBBS
4820-01-029-2781 2015-02-40 1 DIBBS
4820-01-029-2781 2015-01-22 1 DIBBS
4820-01-029-2781 2014-11-314 1 DIBBS
4820-01-029-2781 2014-10-280 1 DIBBS
4820-01-029-2781 2013-07-198 1 DIBBS
4820-01-029-2781 2013-07-183 1 DIBBS
4820-01-029-2781 2013-07-182 4 DIBBS
4820-01-029-2781 2013-06-163 1 DIBBS
4820-01-029-2781 2013-06-163 4 DIBBS
4820010292781 2013-06-157 1 United States
4820-01-029-2781 2013-05-133 1 DIBBS
4820-01-029-2781 2012-10-286 1 DIBBS
4820-01-029-2781 2012-09-260 1 DIBBS
4820-01-029-2781 2012-06-153 1 DIBBS
4820-01-029-2781 2012-05-146 1 DIBBS
4820-01-029-2781 2011-06-171 1 DIBBS
4820-01-029-2781 2011-06-162 1 DIBBS
4820-01-029-2781 2010-04-109 1 DIBBS

Cross Reference | NSN 4820-01-029-2781

Part Number Cage Code Manufacturer
4008G83 PIECE 2 01289 GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
4008G83 PIECE 2 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV
4008G83-002 01289 GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
4008G83-2 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV
6016038-002 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV
6016038P002 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV
781E733P39 01289 GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
781E733P39 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV
W6016038-002 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV

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Technical Data | NSN 4820-01-029-2781

Characteristic Specifications
STYLE DESIGNATOR B7 PLAIN FLANGED
FLANGE DIAMETER 4.750 INCHES MINIMUM AND 4.751 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 3.880 INCHES NOMINAL
BODY INSIDE DIAMETER 2.365 INCHES MINIMUM AND 2.375 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 1.620 INCHES NOMINAL
UNDER FLANGE HEIGHT 3.940 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 01289
DESIGN CONTROL REFERENCE 4008G83 PIECE 2

Restrictions/Controls & Freight Information | NSN 4820-01-029-2781

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 4820-01-029-2781

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