Product Details | SAFETY RELIEF VALVE

4820-01-617-6757 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Part Alternates: 1093K1 , 4820-01-617-6757, 01-617-6757, 4820016176757, 016176757

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 2013088 01-617-6757

Demand History | NSN 4820-01-617-6757

Part Number Request Date QTY Origin
1093K1 2025-09-258 20 DIBBS
1093K1 2023-05-123 73 DIBBS
4820-01-617-6757 2013-10-282 189 DIBBS
4820-01-617-6757 2013-09-248 189 DIBBS
4820-01-617-6757 2013-08-233 189 DIBBS
4820-01-617-6757 2013-08-218 189 DIBBS
4820-01-617-6757 2013-07-202 189 DIBBS

Cross Reference | NSN 4820-01-617-6757

Part Number Cage Code Manufacturer
1093K1 39428 MCMASTER-CARR SUPPLY COMPANY

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4820-01-617-6757

Technical Data | NSN 4820-01-617-6757

Characteristic Specifications
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 35670 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 5.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END
NOMINAL LENGTH 0.5 INCHES ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 0.125 INCHES 1ST END
THREAD SERIES DESIGNATOR PTF-SAE SHORT 1ST END
NOMINAL THREAD SIZE 0.125 INCHES 1ST END
OPENING PRESSURE SETTING 1.0 POUNDS PER SQUARE INCH
III END ITEM IDENTIFICATION 3815-01-597-5671
III PART NAME ASSIGNED BY CONTROLLING AGENCY PRESSURE RELIEF VENT

Restrictions/Controls & Freight Information | NSN 4820-01-617-6757

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.
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 PA Marine Corps Logistics Base
Albany, GA 31704-1128
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 4820-01-617-6757

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code2Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Physical Category Code1Bin
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
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