National Item Identification Number

01-234-4823
012344823
2990-01-234-4823
2990012344823

National Stock Number

Item Name

RING,PISTON

Federal Supply Class

2990

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)

---

71724

---

JOHN CRANE INC DEL
6400 OAKTON ST
MORTON GROVE
IL
60053
847-967-2400

---

0EYA6

---

WARTSILA LIPS INC.
3617 KOPPENS WAY
CHESAPEAKE
VA
23323
757-966-5426

---

71724

---

JOHN CRANE INC DEL
6400 OAKTON ST
MORTON GROVE
IL
60053
847-967-2400

---

Reference Numbers (Part Numbers)

T561-0329-001
T561-0329-001-7512
T561-0329-001-7512
T561-0329-001-7512

Required Categories

Required Description