Product Details | PISTON RING

2810-00-350-4440 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: 69401, 2810-00-350-4440, 00-350-4440, 2810003504440, 003504440

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

Supply Group (FSG) NSN Assign. NIIN
28 27 MAR 1970 00-350-4440

Drawings & Photos | NSN 2810-00-350-4440


Demand History | NSN 2810-00-350-4440

Part Number Request Date QTY Origin
69401 2023-02-44 4 Canada

Cross Reference | NSN 2810-00-350-4440

Part Number Cage Code Manufacturer
69401 80254 TEXTRON LYCOMING INC WILLIAMSPORT PLANT

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Technical Data | NSN 2810-00-350-4440

Characteristic Specifications
MATERIAL IRON AND STEEL OUTSIDE PERIPHERY
SURFACE TREATMENT CHROMIUM OUTSIDE PERIPHERY
CROSS-SECTIONAL SHAPE STYLE A58 BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
JOINT STYLE 1 VERTICAL JOINT
RING STYLE 1 CONCENTRIC
RADIAL WALL THICKNESS 0.2080 INCHES MINIMUM AND 0.2240 INCHES MAXIMUM
OVERALL WIDTH 0.1840 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM
OIL PASSAGE TYPE AND QUANTITY 10 SLOT HORIZONTALLY THROUGH RING
STANDARD BORE DIAMETER 4.875 INCHES
III FSC APPLICATION DATA ENGINE,ACFT,RECIRROCATING
MANUFACTURERS CODE 80254
DESIGN CONTROL REFERENCE 69401

Restrictions/Controls & Freight Information | NSN 2810-00-350-4440

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 106460 RINGS ROLLED STEEL NOI
Less than car load rating Q 70
Less than truck load rating Q 70.0
Water commodity Code 574 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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