Product Details | INTERNAL COMBUSTION ENGINE PISTON

2990-00-922-7988 00020328050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components

Part Alternates: IPD6H3102, 2F3662, 6H3102, 7F3230, 2990-00-922-7988, 00-922-7988, 2990009227988, 009227988

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 25 DEC 1965 00-922-7988

Drawings & Photos | NSN 2990-00-922-7988


Cross Reference | NSN 2990-00-922-7988

Part Number Cage Code Manufacturer
2F3662 11083 CATERPILLAR INC. DBA CATERPILLAR
6H3102 11083 CATERPILLAR INC. DBA CATERPILLAR
7F3230 11083 CATERPILLAR INC. DBA CATERPILLAR
IPD6H3102 55883 INDUSTRIAL PARTS DEPOT INC

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NSNs for Compare ( up to 4 ): Add 2990-00-922-7988

Technical Data | NSN 2990-00-922-7988

Characteristic Specifications
MATERIAL ALUMINUM ALLOY
DIAMETER 3.688 INCHES NOMINAL
OVERALL HEIGHT 4.250 INCHES NOMINAL
SURFACE FINISH FINISHED
FINISHED SIZE DESIGNATION STANDARD
WEIGHT 32.0 OUNCES
HEAD STYLE B2 FLAT
SKIRT TYPE SOLID
SKIRT BOTTOM CUTAWAY FEATURE NOT INCLUDED
RING GROOVE QUANTITY 3
RING GROOVE POSITION NUMBER 1,NUMBER 2,AND NUMBER 3
RING GROOVE WIDTH 0.1093 INCHES NOMINAL 0.1093 INCHES NOMINAL 0.1875 INCHES NOMINAL
RING GROOVE DIAMETER 3.220 INCHES NOMINAL 3.220 INCHES NOMINAL 3.220 INCHES NOMINAL
OIL PASSAGE TYPE HOLE
CARBON GROOVE NOT INCLUDED
OIL GROOVE NOT INCLUDED
DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP 2.438 INCHES NOMINAL
PIN HOLE BUSHING NOT INCLUDED
PINHOLE DIAMETER 1.0781 INCHES NOMINAL
DISTANCE BETWEEN PIN BOSSES 1.312 INCHES NOMINAL
RETAINING RING GROOVE INCLUDED
PIN NOT INCLUDED
PIN TYPE FOR WHICH DESIGNED FLOATING
RING NOT INCLUDED
UNIT PACKAGE QUANTITY 2
UNIT PACKAGE TYPE BOX

Restrictions/Controls & Freight Information | NSN 2990-00-922-7988

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 133300 MACHINERY/MACHINES NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 593 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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