Product Details | PISTON RING

2825-00-972-8889 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: 432B5701, 432B570-1, 432B570PC1, 2825-00-972-8889, 00-972-8889, 2825009728889, 009728889

Engines, Turbines, and Components | Steam Turbines and Components

Supply Group (FSG) NSN Assign. NIIN
28 01 JAN 1962 00-972-8889

Drawings & Photos | NSN 2825-00-972-8889


Demand History | NSN 2825-00-972-8889

Part Number Request Date QTY Origin
2825-00-972-8889 2010-10-302 3 DIBBS

Cross Reference | NSN 2825-00-972-8889

Part Number Cage Code Manufacturer
432B570-1 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV
432B570-1 24446 GENERAL ELECTRIC CO
432B570PC1 24446 GENERAL ELECTRIC CO

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Technical Data | NSN 2825-00-972-8889

Characteristic Specifications
MATERIAL STEEL COMP 1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE A34 STRAIGHT FACE, DOUBLE SCRAPER
JOINT STYLE 1 VERTICAL JOINT
RING STYLE 1 CONCENTRIC
RADIAL WALL THICKNESS 4.7180 INCHES NOMINAL
OVERALL WIDTH 0.9380 INCHES NOMINAL
OIL PASSAGE TYPE AND QUANTITY 2 GROOVE OUTSIDE PERIPHERY
STANDARD BORE DIAMETER 1.250 INCHES

Restrictions/Controls & Freight Information | NSN 2825-00-972-8889

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: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 P 77.5
Less than truck load rating M 85.0
Water commodity Code 594 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

Management | NSN 2825-00-972-8889

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each