Product Details | RUPTURABLE DISK

4820-01-253-1771 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.

Part Alternates: 92500129000, 925-00129-000, 4820-01-253-1771, 01-253-1771, 4820012531771, 012531771

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 14 APR 1987 01-253-1771

Demand History | NSN 4820-01-253-1771

Part Number Request Date QTY Origin
925-00129-000 2024-07-203 10 DIBBS
925-00129-000 2023-12-355 8 DIBBS
925-00129-000 2022-04-97 9 DIBBS
925-00129-000 2022-03-79 6 DIBBS
925-00129-000 2021-09-259 11 DIBBS
925-00129-000 2021-08-243 6 DIBBS
925-00129-000 2021-08-227 10 DIBBS
925-00129-000 2021-07-192 5 DIBBS
925-00129-000 2021-06-172 6 DIBBS
925-00129-000 2021-03-70 12 DIBBS
92500129000 2019-01-23 1 United States
4820-01-253-1771 2016-01-24 9 DIBBS
4820-01-253-1771 2013-11-317 9 DIBBS
4820-01-253-1771 2013-10-275 7 DIBBS
4820-01-253-1771 2013-09-262 7 DIBBS
4820-01-253-1771 2013-07-185 7 DIBBS
4820-01-253-1771 2013-03-71 5 DIBBS
4820-01-253-1771 2013-02-57 2 DIBBS
4820-01-253-1771 2013-02-43 5 DIBBS
4820-01-253-1771 2013-02-43 4 DIBBS
4820-01-253-1771 2013-02-32 6 DIBBS
4820-01-253-1771 2013-01-10 2 DIBBS
4820-01-253-1771 2012-12-345 5 DIBBS
4820-01-253-1771 2012-09-268 1 DIBBS
4820-01-253-1771 2012-09-268 1 DIBBS
4820-01-253-1771 2012-08-244 4 DIBBS

Cross Reference | NSN 4820-01-253-1771

Part Number Cage Code Manufacturer
925-00129-000 09647 AQUA-CHEM INC.
925-00129-000 0EXU3 AQUA-CHEM, INC.

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Technical Data | NSN 4820-01-253-1771

Characteristic Specifications
PART NAME ASSIGNED BY CONTROLLING AGENCY 4 INCH RUPTURE DISK

Restrictions/Controls & Freight Information | NSN 4820-01-253-1771

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code ZC Canada
ZD
ZE
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity N Ship's parts.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-253-1771

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each