Product Details | INTERNAL COMBUSTION ENGINE PISTON

2805-00-377-5641 00020328050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components

Part Alternates: MS13956, MS139562, MS13956-2, 2805-00-377-5641, 00-377-5641, 2805003775641, 003775641

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

Supply Group (FSG) NSN Assign. NIIN
28 01 JAN 1963 00-377-5641

Drawings & Photos | NSN 2805-00-377-5641


Demand History | NSN 2805-00-377-5641

Part Number Request Date QTY Origin
2805-00-377-5641 2014-08-234 100 United States
2805-00-377-5641 2009-01-20 4 US
MS139562 2009-01-20 4 US

Cross Reference | NSN 2805-00-377-5641

Part Number Cage Code Manufacturer
MS13956 81336 CHIEF OF ENGINEERS DEPT OF ARMY
MS13956-2 81336 CHIEF OF ENGINEERS DEPT OF ARMY
MS13956-2 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 2805-00-377-5641

Characteristic Specifications
MATERIAL ALUMINUM
DIAMETER 3.750 INCHES NOMINAL
OVERALL HEIGHT 3.730 INCHES MINIMUM AND 3.750 INCHES MAXIMUM
SURFACE FINISH FINISHED
FINISHED SIZE DESIGNATION OVERSIZE
OVERSIZE 0.020 INCHES NOMINAL
SURFACE TREATMENT TIN PLATED
WEIGHT 21.730 OUNCES
HEAD STYLE B2 FLAT
SKIRT TYPE SOLID
SKIRT BOTTOM CUTAWAY FEATURE INCLUDED
CUT DEPTH 0.400 INCHES NOMINAL
RING GROOVE QUANTITY 3
RING GROOVE POSITION NO. 1,NO. 2 AND NO. 3
RING GROOVE WIDTH 0.0960 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM 0.0955 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM 0.3115 INCHES MINIMUM AND 0.3133 INCHES MAXIMUM
RING GROOVE DIAMETER 3.323 INCHES MINIMUM AND 3.333 INCHES MAXIMUM 3.323 INCHES MINIMUM AND 3.333 INCHES MAXIMUM 3.329 INCHES MINIMUM AND 3.339 INCHES MAXIMUM
CARBON GROOVE NOT INCLUDED
OIL GROOVE NOT INCLUDED
DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP 2.088 INCHES MINIMUM AND 2.092 INCHES MAXIMUM
PIN HOLE BUSHING NOT INCLUDED
PINHOLE DIAMETER 0.9900 INCHES MINIMUM AND 0.9903 INCHES MAXIMUM
DISTANCE BETWEEN PIN BOSSES 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM
RETAINING RING GROOVE INCLUDED
PIN INCLUDED
PIN TYPE FOR WHICH DESIGNED FLOATING
RING NOT INCLUDED
III FSC APPLICATION DATA CYLINDER GROUP,GASOLINE ENGINE,NONAIRCRAFT
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS13956-2

Restrictions/Controls & Freight Information | NSN 2805-00-377-5641

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 M 85
Less than truck load rating W Rating Variable
Water commodity Code 593 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 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