Product Details | ENGINE POPPET VALVE ROTOR

2805-00-354-6439 A spring loaded metallic device which is specifically designed to rotate the poppet valves of an internal combustion engine to prevent uneven wear and/or distortion of the valve seating surface. See also SEAT, HELICAL COMPRESSION SPRING.20328050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components

Part Alternates: B600I3220, FRRA41A, RC38, 31475, 31-475, 810276, 8333165, 2805-00-354-6439, 00-354-6439, 2805003546439, 003546439

Engines, Turbines, and Components | Gasoline Reciprocating Engines, Except Aircraft; and Components

Supply Group (FSG) NSN Assign. NIIN
28 01 JAN 1963 00-354-6439

Drawings & Photos | NSN 2805-00-354-6439


Demand History | NSN 2805-00-354-6439

Part Number Request Date QTY Origin
810276 2026-01-30 2 us

Cross Reference | NSN 2805-00-354-6439

Part Number Cage Code Manufacturer
31-475 35301 DRESSER INDUSTRIES INC LEROI DIV
31-475 64104 DRESSER, INC. DIV DRESSER WAUKESHA
810276 64104 DRESSER, INC. DIV DRESSER WAUKESHA
8333165 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
B600I3220 14351 TELEDYNE CONTINENTAL MOTORS INDUSTRIAL PRODUCTS DIV
FRRA41A 59875 EATON INDUSTRIAL CORPORATION DBA ARGO-TECH
RC38 77535 BARNES GROUP INC. DBA ASSOCIATED SPRING

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Technical Data | NSN 2805-00-354-6439

Characteristic Specifications
ROTATION DIRECTION COUNTERCLOCKWISE
MINIMUM ROTATION IN DEG ANY ACCEPTABLE
STARTING LOAD RANGE 65.0 TO 155.0 POUNDS
STYLE DESIGNATOR Q2 POSITIVE TYPE-TAPERED BORE
OVERALL HEIGHT 0.530 INCHES MINIMUM AND 0.560 INCHES MAXIMUM
FIRST STEP DIAMETER 0.949 INCHES MINIMUM AND 0.954 INCHES MAXIMUM
FIRST STEP LENGTH 0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM
SECOND STEP DIAMETER 1.375 INCHES MINIMUM AND 1.385 INCHES MAXIMUM
SECOND STEP LENGTH 0.280 INCHES NOMINAL
BORE DIAMETER 0.652 INCHES NOMINAL
TAPERED BORE INCLUDED ANGLE IN DEG 14 DEG,15 MIN
III FSC APPLICATION DATA GASOLINE ENGINE,NONAIRCRAFT
MANUFACTURERS CODE 35301
DESIGN CONTROL REFERENCE 31-475

Restrictions/Controls & Freight Information | NSN 2805-00-354-6439

Category Code Description
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.
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 062120 GENERATORS/MOTORS/PARTS NOI
Less than car load rating Q 70
Less than truck load rating W Rating Variable
Water commodity Code 590 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 H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
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