National Item Identification Number
01-025-2832
010252832
3040-01-025-2832
3040010252832
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)
02LU7
59364
59915
SERVICE & SALES INC
1853 E 3RD ST
TEMPE
AZ
85281
480-968-9084
99121
PRECISION RINGS INC
5611 PROGRESS RD
INDIANAPOLIS
IN
46241
317-247-4786
99193
Reference Numbers (Part Numbers)
859989-46
859989-46
859989-46
859989-46
859989-46
Required Categories
MATERIAL
SPECIAL FEATURES
CRITICALITY CODE JUSTIFICATION
THE MANUFACTURERS DA
Required Description
HAYNES ALLOY NUMBER 25 OVERALL
FLIGHT SAFETY CRITICAL
FEAT
99121
859989-46