Product Details | RUPTURABLE DISK

4820-01-475-7422 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: 11450099, 11450099-3, 91P166, 4820-01-475-7422, 01-475-7422, 4820014757422, 014757422, 114500993

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 12 JUN 2000 01-475-7422

Demand History | NSN 4820-01-475-7422

Part Number Request Date QTY Origin
4820-01-475-7422 2021-05-131 230 US
4820-01-475-7422 2014-10-303 76 DIBBS
4820-01-475-7422 2014-04-120 58 DIBBS
4820-01-475-7422 2014-03-90 1 DIBBS
4820-01-475-7422 2014-03-90 2 DIBBS
4820-01-475-7422 2014-03-75 1 DIBBS
4820-01-475-7422 2014-03-75 2 DIBBS
4820-01-475-7422 2014-01-22 14 DIBBS
4820-01-475-7422 2013-10-297 5 DIBBS
4820-01-475-7422 2013-10-275 20 DIBBS
4820-01-475-7422 2010-07-192 20 DIBBS

Cross Reference | NSN 4820-01-475-7422

Part Number Cage Code Manufacturer
11450099 18876 U S ARMY AVIATION AND MISSILE COMMAND
11450099-3 18876 U S ARMY AVIATION AND MISSILE COMMAND
91P166 67289 PRESSURE SPECIALTIES INCORPORATED

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Technical Data | NSN 4820-01-475-7422

Characteristic Specifications
DISK MATERIAL STEEL COMP 304
CROSS-SECTIONAL SHAPE FLAT
DISK SIZE 1.437 INCHES
SPECIAL FEATURES NHA 10250727, SLOT ORIENTATION IS OPTIONAL
SPECIFICATION/STANDARD DATA 18876-MIS-31403 GOVERNMENT SPECIFICATION
MANUFACTURERS CODE 18876
MFR SOURCE CONTROLLING REFERENCE 11450099

Restrictions/Controls & Freight Information | NSN 4820-01-475-7422

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 AH Defense Supply Center Columbus
Columbus, OH 43215
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 4820-01-475-7422

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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