National Item Identification Number
01-395-3987
013953987
3040-01-395-3987
3040013953987
National Stock Number
Item Name
RING,PISTON
Federal Supply Class
3040
Description
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.
Commercial and Government Entity Code (Supplier Data)
88277
Reference Numbers (Part Numbers)
17P2C1003-501
Required Categories
SPECIAL FEATURES
III END ITEM IDENTIFICATION
Required Description
PART OF SHOCK STRUT ON MAIN LANDING GEAR
MCDONNELL-DOUGLAS C17A AIRCRAFT