National Item Identification Number
01-110-5442
011105442
4820-01-110-5442
4820-01-110-5442
National Stock Number
Item Name
RING,PISTON
Federal Supply Class
4820
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)
59364
99193
99193
Reference Numbers (Part Numbers)
111990-2
111990-2
122100FIG1101ITEM15
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL ALLOY UNS S17400 OVERALL
AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERA
