Product Details | PISTON RING

2810-00-294-3523 A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; and SEAL RING, METAL.20628050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components28250029Steam Turbines and Components30400042Miscellaneous Power Transmission Equipment43100028Compressors and Vacuum Pumps

Part Alternates: 4374, 67540, 68338, 2810-00-294-3523, 00-294-3523, 2810002943523, 002943523

Engines, Turbines, and Components | Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components

Supply Group (FSG) NSN Assign. NIIN
28 01 JAN 1963 00-294-3523

Drawings & Photos | NSN 2810-00-294-3523


Demand History | NSN 2810-00-294-3523

Part Number Request Date QTY Origin
2810-00-294-3523 2009-08-226 4 US

Cross Reference | NSN 2810-00-294-3523

Part Number Cage Code Manufacturer
4374 79606 GOULD INC CLEVITE ENGINE PARTS DIV
67540 80254 TEXTRON LYCOMING INC WILLIAMSPORT PLANT
68338 80254 TEXTRON LYCOMING INC WILLIAMSPORT PLANT

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Technical Data | NSN 2810-00-294-3523

Characteristic Specifications
MATERIAL STEEL EXPANDER IRON OVERALL
SURFACE TREATMENT ANY ACCEPTABLE OVERALL
CROSS-SECTIONAL SHAPE STYLE A106 STRAIGHT FACE, DOUBLE SCRAPER, W/EXPANDER
JOINT STYLE 1 VERTICAL JOINT
RING STYLE 1 CONCENTRIC
RADIAL WALL THICKNESS 0.1840 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM
OVERALL WIDTH 0.1350 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM
OIL PASSAGE TYPE AND QUANTITY 10 HOLE HORIZONTALLY THROUGH RING 1 GROOVE INSIDE PERIPHERY 1 GROOVE OUTSIDE PERIPHERY
STANDARD BORE DIAMETER 4.875 INCHES
III FSC APPLICATION DATA ENGINE,AIRCRAFT,RECIPROCATING
MANUFACTURERS CODE 79606
DESIGN CONTROL REFERENCE 4374

Restrictions/Controls & Freight Information | NSN 2810-00-294-3523

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: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.
Category Code Description
NMF Description 126700 PISTON RINGS,IRON
Less than car load rating
Less than truck load rating M 85.0
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
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable