National Item Identification Number

12-356-3959
123563959
3040-12-356-3959
3040123563959

National Stock Number

Item Name

RING,PISTON

Federal Supply Class

3040

Referenced on: http://www.tpub.com/content/bridges/TM-5-5420-278-24P/css/TM-5-5420-278-24P_505.htm
Referenced on: http://www.tpub.com/content/bridges/TM-5-5420-278-24P/css/TM-5-5420-278-24P_558.htm
Referenced on: http://www.tpub.com/content/bridges/TM-5-5420-278-24P/css/TM-5-5420-278-24P_570.htm

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)

---

D9913

---

GENERAL DYNAMICS
SANTA BARBARA SISTEMAS GMBH
BARBAROSSASTR. 30
KAISERSLAUTERN
67655
GERMANY
0631-3616-0

---

NSN (National Stock Number) 3040-12-356-3959, 3040123563959 NIIN (National Identification Number) 12-356-3959, 123563959

Part Numbers (Reference Numbers)

909823011

Required Categories

Required Description