NSN 4820-01-257-7256

Part Details | RUPTURABLE DISK

4820-01-257-7256 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.

Alternate Parts: TED 773000804, TED 77-30-008-04, LOT 850702941, LOT 85070294-1, P10S, 4820-01-257-7256, 01-257-7256, 4820012577256, 012577256

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUN 23, 198701-257-725627850 ( DISK, RUPTURABLE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-257-7256
Part Number Cage Code Manufacturer
TED 77-30-008-0432874BS&B SAFETY SYSTEMS, L.L.C.
LOT 85070294-132874BS&B SAFETY SYSTEMS, L.L.C.
P10S72741DORMAN PRODUCTS, INC.DBA MOTORMITE DIVISION
Technical Data | NSN 4820-01-257-7256
Characteristic Specifications
CROSS-SECTIONAL SHAPE CONCAVE
SPECIAL FEATURESUSED ON HYDRAULIC PUSHER 1450-00-302-2758;T.O.21M-LGM30F-4-4 F107;USED IN THE HYDRAULIC RAM FOR OPENING THE MAINTENANCE DOOR OF THE LAUNCH FACILITY
END ITEM IDENTIFICATIONLGM-30 MINUTEMAN MISSILE