Product Details | PISTON RING

3040-99-321-5628 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: MBEU140627, 3040-99-321-5628, 99-321-5628, 3040993215628, 993215628

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 99-321-5628

Demand History | NSN 3040-99-321-5628

Part Number Request Date QTY Origin
MBEU140627 2025-08-219 26 DIBBS
3040-99-321-5628 2025-04-107 100 US
MBEU140627 2025-04-97 100 US
3040-99-321-5628 2013-11-310 34 DIBBS
3040-99-321-5628 2013-04-105 35 DIBBS
3040-99-321-5628 2009-12-349 3 United States
3040-99-321-5628 2009-02-55 3 United States

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Restrictions/Controls & Freight Information | NSN 3040-99-321-5628

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information