Product Details | PISTON RING

2805-00-277-2956 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: 3942A, 2805-00-277-2956, 00-277-2956, 2805002772956, 002772956

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

Supply Group (FSG) NSN Assign. NIIN
28 01 JAN 1963 00-277-2956

Drawings & Photos | NSN 2805-00-277-2956


Cross Reference | NSN 2805-00-277-2956

Part Number Cage Code Manufacturer
3942A 1ML14 D.W. HERCULES, LLC DBA HERCULES ENGINE COMPONENTS
3942A 28265 HERCULES ENGINE CO INC

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Technical Data | NSN 2805-00-277-2956

Characteristic Specifications
MATERIAL IRON OVERALL
CROSS-SECTIONAL SHAPE STYLE A55 STRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
RING STYLE 1 CONCENTRIC
RADIAL WALL THICKNESS 0.1500 INCHES NOMINAL
OVERALL WIDTH 0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM
OIL PASSAGE TYPE AND QUANTITY 10 SLOT HORIZONTALLY THROUGH RING 1 GROOVE OUTSIDE PERIPHERY
STANDARD BORE DIAMETER 3.438 INCHES
III FSC APPLICATION DATA GASOLINE ENGINE,NONAIRCRAFT

Restrictions/Controls & Freight Information | NSN 2805-00-277-2956

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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 126700 PISTON RINGS,IRON
Less than car load rating M 85
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 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 Y Protected cargo, other than above, including sensitive cargo requiring hand-to-hand receipt and/or security precautions.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 2805-00-277-2956

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesHDIRECT DELIVERY UNDER A CENTRAL CONTRACT # (VENDOR STOCKED) Issue, transfer or shipment is not subject to specialized controls other than those imposed by IMM/Service/Agency supply policy. 1. The item is centrally managed and procured. 2. Normal issue is by direct shipment from the vendor to the user at the order of the ICP or IMM. However, orders may be shipped from stock by ICP or IMM distribution facilities when the vendor's minimum order quantity is not met, or when stocks are being drawn down. 3. Requisitions and fund citations will be submitted in accordance with IMM/Service/Agency Requisitioning Procedures. 4. Generally delivery will be made within applicable Service/Agency guidelines addressing customer required timeframe.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each