Product Details | PISTON RING

4310-01-181-6820 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: AIR5741, 4310-01-181-6820, 01-181-6820, 4310011816820, 011816820

Pumps and Compressors | Compressors and Vacuum Pumps

Supply Group (FSG) NSN Assign. NIIN
43 13 JUN 1984 01-181-6820

Drawings & Photos | NSN 4310-01-181-6820


Demand History | NSN 4310-01-181-6820

Part Number Request Date QTY Origin
AIR5741 2024-07-207 1 US
AIR5741 2024-07-206 1 US
AIR5741 2023-04-107 134 DIBBS
AIR5741 2023-04-96 134 DIBBS
AIR5741 2022-11-317 148 DIBBS
AIR5741 2022-09-265 114 DIBBS
AIR5741 2022-09-262 83 DIBBS
AIR5741 2022-09-251 83 DIBBS
AIR5741 2022-08-216 12 DIBBS
AIR5741 2020-03-76 174 DIBBS
AIR5741 2020-02-56 237 DIBBS
AIR5741 2020-01-16 73 DIBBS
AIR5741 2019-11-317 32 DIBBS
4310-01-181-6820 2019-06-166 246 United States
AIR5741 2019-05-126 9 DIBBS
AIR5741 2019-04-115 9 DIBBS
AIR5741 2019-03-80 3 DIBBS
AIR5741 2019-03-68 3 DIBBS
AIR5741 2019-01-03 72 DIBBS
4310-01-181-6820 2018-11-319 67 DIBBS
4310-01-181-6820 2017-12-346 65 DIBBS
4310-01-181-6820 2017-05-124 91 DIBBS
4310-01-181-6820 2016-07-194 67 DIBBS
4310-01-181-6820 2012-10-284 556 DIBBS
4310-01-181-6820 2012-04-97 78 DIBBS
4310-01-181-6820 2012-03-69 65 DIBBS
4310-01-181-6820 2012-02-46 61 DIBBS
4310-01-181-6820 2012-01-12 36 DIBBS
4310-01-181-6820 2011-11-307 115 DIBBS
4310-01-181-6820 2011-06-166 34 DIBBS
4310-01-181-6820 2010-06-159 28 DIBBS
4310-01-181-6820 2009-01-20 31 DIBBS
4310-01-181-6820 2009-01-02 26 DIBBS
4310-01-181-6820 2008-03-72 225 DIBBS
4310-01-181-6820 2008-01-11 134 DIBBS
4310-01-181-6820 2007-10-278 150 DIBBS

Cross Reference | NSN 4310-01-181-6820

Part Number Cage Code Manufacturer
AIR5741 71687 DOVER ENGINEERED SYSTEMS INC. DBA AIRTOMIC
AIR5741 SDE20 SARGENT MEXICO

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Technical Data | NSN 4310-01-181-6820

Characteristic Specifications
MATERIAL COPPER ALLOY OVERALL
CROSS-SECTIONAL SHAPE STYLE A1 PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE 1 VERTICAL JOINT
III END ITEM IDENTIFICATION 1650011636398
III FSC APPLICATION DATA AIRCRAFT HYDRAULIC SYSTEM
MANUFACTURERS CODE 71687
DESIGN CONTROL REFERENCE AIR5741

Restrictions/Controls & Freight Information | NSN 4310-01-181-6820

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
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:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 SX Oklahoma City Air Logistics Center
Tinker AFB, OK 73145-3043
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 4310-01-181-6820

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 CodeHSSX:AIRCRAFT HYDRAULIC SYSTEMS AND COMPONENTS
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