Product Details | PISTON RING

1620-01-249-9133 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: 68A450635, 68A4506352003, 68A450635-2003, 1620-01-249-9133, 01-249-9133, 1620012499133, 012499133

Aircraft Components and Accessories | Aircraft Landing Gear Components

Supply Group (FSG) NSN Assign. NIIN
16 20 FEB 1987 01-249-9133

Drawings & Photos | NSN 1620-01-249-9133


Demand History | NSN 1620-01-249-9133

Part Number Request Date QTY Origin
1620-01-249-9133 2016-04-96 252 DIBBS
1620-01-249-9133 2014-12-337 187 DIBBS
1620-01-249-9133 2014-03-72 127 DIBBS
1620-01-249-9133 2013-04-119 131 DIBBS
1620-01-249-9133 2013-04-104 131 DIBBS
1620-01-249-9133 2010-07-202 13 DIBBS

Cross Reference | NSN 1620-01-249-9133

Part Number Cage Code Manufacturer
68A450635 76301 BOEING COMPANY, THE DBA BOEING
68A450635-2003 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 1620-01-249-9133

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 7075 OVERALL
CROSS-SECTIONAL SHAPE STYLE A1 PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE 5 VERTICAL/DIAGONAL JOINT
RING STYLE 1 CONCENTRIC
RADIAL WALL THICKNESS 0.5200 INCHES MINIMUM AND 0.5250 INCHES MAXIMUM
OVERALL WIDTH 0.2470 INCHES NOMINAL
STANDARD BORE DIAMETER 2.490 INCHES

Restrictions/Controls & Freight Information | NSN 1620-01-249-9133

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) 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 AH Defense Supply Center Columbus
Columbus, OH 43215
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 1620-01-249-9133

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 CodeLESU:LANDING GEAR 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