Product Details | PISTON RING

4310-01-377-6825 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: C1603, 18C160312P, 18-C1603-12P, 4310-01-377-6825, 01-377-6825, 4310013776825, 013776825

Pumps and Compressors | Compressors and Vacuum Pumps

Supply Group (FSG) NSN Assign. NIIN
43 23 JUL 1993 01-377-6825

Drawings & Photos | NSN 4310-01-377-6825


Demand History | NSN 4310-01-377-6825

Part Number Request Date QTY Origin
18-C1603-12P 2023-08-236 77 DIBBS
18-C1603-12P 2022-03-76 103 DIBBS
18-C1603-12P 2019-10-283 169 DIBBS
4310-01-377-6825 2015-10-291 109 DIBBS
4310-01-377-6825 2013-11-332 78 DIBBS
4310-01-377-6825 2012-12-356 32 DIBBS
4310-01-377-6825 2009-01-21 44 DIBBS
4310-01-377-6825 2008-09-267 18 DIBBS

Cross Reference | NSN 4310-01-377-6825

Part Number Cage Code Manufacturer
18-C1603-12P 28953 RIX INDUSTRIES
C1603 28953 RIX INDUSTRIES

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Technical Data | NSN 4310-01-377-6825

Characteristic Specifications
MATERIAL PLASTIC OVERALL
JOINT STYLE 2 DIAGONAL JOINT
RING STYLE 1 CONCENTRIC
RADIAL WALL THICKNESS 0.1040 INCHES MINIMUM AND 0.1060 INCHES MAXIMUM
OVERALL WIDTH 1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM
SPECIAL FEATURES INSIDE DIAMETER O,975IN, MIN TO 0,985IN, MAX; CYLINDER DIA 1.500IN.

Restrictions/Controls & Freight Information | NSN 4310-01-377-6825

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.
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 AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 4310-01-377-6825

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each