Product Details | PISTON RING

2825-01-446-0938 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: B1337, 5202203, 520220-3, 2825-01-446-0938, 01-446-0938, 2825014460938, 014460938

Engines, Turbines, and Components | Steam Turbines and Components

Supply Group (FSG) NSN Assign. NIIN
28 23 JUN 1997 01-446-0938

Demand History | NSN 2825-01-446-0938

Part Number Request Date QTY Origin
B1337-00 2024-05-07 118 DIBBS
B1337-00 2023-12-05 59 DIBBS
B1337-00 2023-05-23 157 DIBBS
520220-3 2023-05-10 157 DIBBS
520220-3 2022-10-03 46 DIBBS
2825-01-446-0938 2018-10-26 75 DIBBS
2825-01-446-0938 2018-08-14 60 DIBBS
2825-01-446-0938 2018-03-13 58 DIBBS
B1337 2011-12-30 1

Cross Reference | NSN 2825-01-446-0938

Part Number Cage Code Manufacturer
520220-3 6JRD9 WELLMAN DYNAMICS MACHINING AND ASSEMBLY, INC
520220-3 80020 NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
B1337 75370 KAYDON RING & SEAL, INC.

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Technical Data | NSN 2825-01-446-0938

Characteristic Specifications
III END ITEM IDENTIFICATION AIR LAUNCH AND RECOVERY EQUIP
MANUFACTURERS CODE 75370
DESIGN CONTROL REFERENCE B1337

Restrictions/Controls & Freight Information | NSN 2825-01-446-0938

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:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
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 M 85
Less than truck load rating M 85.0
Water commodity Code 671 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
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 2825-01-446-0938

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDEY4R/5R Cog items managed by BRASO
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
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