Product Details | SAFETY RELIEF VALVE

4820-01-388-8705 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: HP15251002, HP1525100-2, HP15251003, HP1525100-3, 17B1C72041, 17B1C7204-1, 17B1C7204501, 17B1C7204-501, 4820-01-388-8705, 01-388-8705, 4820013888705, 013888705

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 12 APR 1994 01-388-8705

Cross Reference | NSN 4820-01-388-8705

Part Number Cage Code Manufacturer
17B1C7204-1 88277 BOEING COMPANY, THE DBA BOEING
17B1C7204-501 88277 BOEING COMPANY, THE DBA BOEING
HP1525100-2 84685 TELEDYNE HYDRA-POWER DIV OF TELEDYNE INC
HP1525100-2 88277 BOEING COMPANY, THE DBA BOEING
HP1525100-3 88277 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 4820-01-388-8705

Characteristic Specifications
MAXIMUM OPERATING PRESSURE 4075.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 275.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD HYDRAULIC
SPECIAL FEATURES CONSISTS OF THE FOLLOWING MAJOR COMPONENTS: 1 HSG ASSY, VALVE, P/N HP1525101-1; 1 CONTROLLER ASSY, VALVE, P/NHP1525103-2; CRACKING PRESSURE: 4350 PLUS OR MINUS 200 PSIG; OVERALL LGTH 5.400 IN. MIN TO 5.460 IN. MAX
III END ITEM IDENTIFICATION ACFT, TYPE C-17A
III FSC APPLICATION DATA NOSE LANDING GEAR, ACFT
MANUFACTURERS CODE 88277
DESIGN CONTROL REFERENCE HP1525100-3

Restrictions/Controls & Freight Information | NSN 4820-01-388-8705

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating M 85
Less than truck load rating P 77.5
Water commodity Code 743 unknown
Originating Activity Code TK HQ AFMC/GLSC 401 SCM/GUMB
Wright-Patterson AFB, OH 45433-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
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 4820-01-388-8705

Category Code Description
Materiel Management Aggregation CodeBATB:C-17 PROGRAM
Price ValidationE The current standard price is an estimated price.
  • Estimated Price challenges are allowed, but follow procedures in para 60.b. (3) of section L of this manual.
  • This code will be changed to a P code upon notification of a contract price or this code will be changed to an updated code upon determination of a valid price.
Budget CodeS 1557X3010:Aircraft Replenishment Spares
Source of SupplyF77Boeing Military Transportation Aircraft
Los Angeles, CA 90307-3044
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityPStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each