National Item Identification Number
01-256-8732
012568732
4820-01-256-8732
4820-01-256-8732
National Stock Number
Item Name
DISK,RUPTURABLE
Federal Supply Class
4820
Description
A thin, circular, metallic or nonmetallic item with a flat or prebulged cross-sectional shape, designed to rupture at a predetermined pressure to prevent damage to hydraulic or pneumatic systems, or the like. It may include multiple pieces, such as a retainer ring, disk and vacuum support. It can be used independently or as a component part of a HEAD, SAFETY, PRESSURE RELIEF. For items furnished with a holder, see HEAD AND DISK, SAFETY, PRESSURE RELIEF. For items without a rupture pressure rating, see DISK, SOLID, PLAIN. Excludes DIAPHRAGM, VALVE, FLAT; DIAPHRAGM, VALVE, SPECIAL SHAPED; DISK, VALVE; and INSULATOR, DISK.
Commercial and Government Entity Code (Supplier Data)
96101
THE GAS EQUIPMENT ENGINEERING
CORPORATION
1240 ORONOQUE RD
MILFORD
CT
06460
203-874-6786
03950
NAVAL INVENTORY CONTROL POINT
MECHANICSBURG
5450 CARLISLE PIKE
2020
MECHANICSBURG
PA
17055
717-605-3500
Reference Numbers (Part Numbers)
D841-4090
D841-4090CP
Required Categories
BURST PRESSURE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY CO
Required Description
0.0 PRESSURE POUNDS PER SQUARE INCH GAGE
REQUIRES SPECIAL CLEANING AND PACKAGIN