Product Details | PISTON RING

4310-00-943-9754 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: X1440T21B, 4310-00-943-9754, 00-943-9754, 4310009439754, 009439754

Pumps and Compressors | Compressors and Vacuum Pumps

Supply Group (FSG) NSN Assign. NIIN
43 02 FEB 1966 00-943-9754

Drawings & Photos | NSN 4310-00-943-9754


Demand History | NSN 4310-00-943-9754

Part Number Request Date QTY Origin
X1440T21B 2020-02-57 4 DIBBS
X1440T21B 2019-10-296 8 DIBBS
4310-00-943-9754 2015-05-130 4 DIBBS

Cross Reference | NSN 4310-00-943-9754

Part Number Cage Code Manufacturer
X1440T21B 0AT62 DRESSER-RAND COMPANY DBA RECIPROCATING PRODUCTS DIV
X1440T21B 30760 INGERSOLL RAND CO
X1440T21B 88663 DRESSER-RAND CO INGERSOLL-RAND OPNS

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Technical Data | NSN 4310-00-943-9754

Characteristic Specifications
MATERIAL STEEL OVERALL
CROSS-SECTIONAL SHAPE STYLE A1 PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE 1 VERTICAL JOINT
RING STYLE 1 CONCENTRIC
RADIAL WALL THICKNESS 0.0640 INCHES NOMINAL
OVERALL WIDTH 0.1210 INCHES NOMINAL
STANDARD BORE DIAMETER 1.500 INCHES
BORE DIAMETER OVERSIZE 0.010 INCHES

Restrictions/Controls & Freight Information | NSN 4310-00-943-9754

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:UPrecious metal type is unknown
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 37 Department of Interior
Washington, DC 20006
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 4310-00-943-9754

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each