National Item Identification Number
01-257-7256
012577256
4820-01-257-7256
4820-01-257-7256
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)
32874
BS&B SAFETY SYSTEMS L.L.C.
DIV OF INTERNATIONAL SYSTEMS AND
7455 E. 46TH STREET
TULSA
OK
74145
918-664-3843
72741
DORMAN PRODUCTS INC
1 DORMAN DR
WARSAW
KY
41095
859-567-7000
32874
BS&B SAFETY SYSTEMS L.L.C.
DIV OF INTERNATIONAL SYSTEMS AND
7455 E. 46TH STREET
TULSA
OK
74145
918-664-3843
Reference Numbers (Part Numbers)
LOT 85070294-1
P10S
TED 77-30-008-04
Required Categories
CROSS-SECTIONAL SHAPE
SPECIAL FEATURES
III END ITEM IDENTIFICATION
THE MANUFA
Required Description
CONCAVE
USED ON HYDRAULIC PUSHER 1450-00-302-2758;T.O.21M-LGM30F-4-4 F107;USED