Product Details | PISTON RING

3040-00-323-8912 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: ST7M3428, ST7M342-8, DS80158, DS8015-8, FR848, FR84-8, J38007, J3-8007, 3040-00-323-8912, 00-323-8912, 3040003238912, 003238912

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 24 NOV 1973 00-323-8912

Drawings & Photos | NSN 3040-00-323-8912


Demand History | NSN 3040-00-323-8912

Part Number Request Date QTY Origin
DS8015-8 2024-10-291 122 DIBBS
FR84-8 2024-10-291 122 DIBBS
J3-8007 2024-10-291 122 DIBBS
ST7M342-8 2024-10-291 122 DIBBS
DS8015-8 2019-09-258 113 DIBBS
FR84-8 2019-09-258 113 DIBBS
J3-8007 2019-09-258 113 DIBBS
ST7M342-8 2019-09-258 113 DIBBS
3040-00-323-8912 2018-03-63 174 DIBBS
3040-00-323-8912 2018-01-16 106 DIBBS
3040-00-323-8912 2016-02-35 165 DIBBS
3040-00-323-8912 2015-07-211 162 DIBBS
3040-00-323-8912 2015-05-148 64 DIBBS
3040-00-323-8912 2014-05-125 142 DIBBS
3040-00-323-8912 2014-04-113 142 DIBBS
3040-00-323-8912 2012-07-187 50 US
3040-00-323-8912 2012-01-06 21 DIBBS
3040-00-323-8912 2011-06-168 200 United States
3040-00-323-8912 2010-09-260 200 United States
3040-00-323-8912 2008-05-127 146 DIBBS
3040-00-323-8912 2007-06-158 123 DIBBS

Cross Reference | NSN 3040-00-323-8912

Part Number Cage Code Manufacturer
DS8015-8 71975 DOUBLE SEAL RING CO
FR84-8 84592 FRANKLIN PAINT COMPANY INC.
FR84-8 84596 AVIATION MANUFACTURING GROUP, LLC DBA FREEMAN CO, THE
J3-8007 99121 PRECISION RINGS INCORPORATED
ST7M342-8 32067 MARVIN ENGINEERING CO., INC. DBA MARVIN GROUP, THE
ST7M342-8 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 3040-00-323-8912

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
CROSS-SECTIONAL SHAPE STYLE A1 PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE 1 VERTICAL JOINT
RING STYLE 1 CONCENTRIC
RADIAL WALL THICKNESS 0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM
OVERALL WIDTH 0.0440 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM
STANDARD BORE DIAMETER 0.625 INCHES
MANUFACTURERS CODE 99121
DESIGN CONTROL REFERENCE J3-8007

Restrictions/Controls & Freight Information | NSN 3040-00-323-8912

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.
Automatic Data Processing Equipment:1Analog CPUs, ADP Central Processing Units for Computers Analog. Represents only CPUs that accept as input the electrical equivalent of physical conditions such as flow, temperature, pressure, angular position, or voltage and perform computations by manipulating these electrical equivalents to produce results for further use. NOTE: An analog is a representation of one form of a physical condition existing in another form (e.g., the level of mercury in a tube represents temperature in a thermometer; the angular position of a needle represents speed on a speedometer). Excludes CPUs that have both analog and digital capability. (See code 3)
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 TG Warner-Robins Air Logistics Center
Robins AFB, GA 31098-5609
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 3040-00-323-8912

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Materiel Management Aggregation CodeBLTG:AIM-7 (SPARROW)
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each