National Item Identification Number
01-033-2890
010332890
3040-01-033-2890
3040010332890
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)
71975
DOUBLE SEAL RING CO
2065 MONTGOMERY ST
FORT WORTH
TX
76107
817-738-6581
84596
99121
PRECISION RINGS INC
5611 PROGRESS RD
INDIANAPOLIS
IN
46241
317-247-4786
76301
Reference Numbers (Part Numbers)
DS8015-18
FR84-18
J3-8019
ST7M342-18
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL CORROSION RESISTING OVERALL
AMS5621 ASSN STD SINGLE MATERIAL RESPONSE OVE
