Product Details | PRESSURE RELIEF SAFETY HEAD

4820-01-526-5227 An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. It may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. Excludes VALVE, SAFETY RELIEF and PLUG, FUSIBLE. For items furnished with a disk, see HEAD AND DISK, SAFETY, PRESSURE RELIER.

Part Alternates: LH10254A0001, 16LS325P, 16LS3-25-P, 4820-01-526-5227, 01-526-5227, 4820015265227, 015265227

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 21 DEC 2004 01-526-5227

Demand History | NSN 4820-01-526-5227

Part Number Request Date QTY Origin
4820-01-526-5227 2018-11-305 14 DIBBS
4820-01-526-5227 2016-12-353 87 DIBBS
4820-01-526-5227 2016-11-319 15 DIBBS
4820-01-526-5227 2016-10-284 167 DIBBS
4820-01-526-5227 2012-09-260 2 DIBBS
4820-01-526-5227 2012-09-253 1 DIBBS
4820-01-526-5227 2012-09-253 5 DIBBS
4820-01-526-5227 2012-03-91 1 DIBBS
4820-01-526-5227 2011-01-22 1 DIBBS
4820-01-526-5227 2010-12-340 1 DIBBS
4820-01-526-5227 2010-04-95 13 DIBBS
4820-01-526-5227 2010-02-57 10 DIBBS
4820-01-526-5227 2009-12-353 2 DIBBS
4820-01-526-5227 2009-06-172 1 DIBBS
4820-01-526-5227 2009-04-110 2 DIBBS

Cross Reference | NSN 4820-01-526-5227

Part Number Cage Code Manufacturer
16LS3-25-P 25515 CONTINENTAL DISC CORPORATION
LH10254A0001 25515 CONTINENTAL DISC CORPORATION

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Technical Data | NSN 4820-01-526-5227

Characteristic Specifications
HEAD MATERIAL STEEL
HEAD TYPE SCREW
HEAD SIZE 2.810 INCHES
END CONNECTION TYPE THREADED
BURST PRESSURE 3000.0 PRESSURE POUNDS PER SQUARE INCH GAGE
BURST TEMPERATURE 1000.0 DEG FAHRENHEIT
SPECIAL FEATURES RUPTURE DISC SIZE 11/16 INCH, INLET HOLDER CONNECTION 1/4 INCH MPT, OUTLET HOLDER CONNECTION 1/2 INCH MPT

Restrictions/Controls & Freight Information | NSN 4820-01-526-5227

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 4820-01-526-5227

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 CodesHDIRECT DELIVERY UNDER A CENTRAL CONTRACT # (VENDOR STOCKED) Issue, transfer or shipment is not subject to specialized controls other than those imposed by IMM/Service/Agency supply policy. 1. The item is centrally managed and procured. 2. Normal issue is by direct shipment from the vendor to the user at the order of the ICP or IMM. However, orders may be shipped from stock by ICP or IMM distribution facilities when the vendor's minimum order quantity is not met, or when stocks are being drawn down. 3. Requisitions and fund citations will be submitted in accordance with IMM/Service/Agency Requisitioning Procedures. 4. Generally delivery will be made within applicable Service/Agency guidelines addressing customer required timeframe.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each