National Item Identification Number

00-420-6877
004206877
4310-00-420-6877
4310004206877

National Stock Number

Item Name

RING,PISTON

Federal Supply Class

4310

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)

---

0AT62

---

---

Reference Numbers (Part Numbers)

RNG720
10603N
10603N

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
CROSS-SECTION

Required Description

IRON OVERALL
QQ=I=652,CLASS 40,50,60 FED SPEC SINGLE MATERIAL RESPONSE OVERALL;