Product Details | SAFETY RELIEF VALVE

4820-01-420-9954 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: PRTX0540480B, 3901000102, 3901000-102, 4820-01-420-9954, 01-420-9954, 4820014209954, 014209954

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 OCT 1995 01-420-9954

Cross Reference | NSN 4820-01-420-9954

Part Number Cage Code Manufacturer
3901000-102 92003 PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS
PRTX0540480B 92555 THE LEE COMPANY

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Technical Data | NSN 4820-01-420-9954

Characteristic Specifications
III END ITEM IDENTIFICATION MCDONNELL DOUGLAS AIRCRAFT MDL C-17A , AIRLIFTER

Restrictions/Controls & Freight Information | NSN 4820-01-420-9954

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.
Category Code Description
No Freight Information

Management | NSN 4820-01-420-9954

Category Code Description
Materiel Management Aggregation CodeBATB:C-17 PROGRAM
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
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
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesMRESTRICTED REQUISITIONS-MAJOR OVERHAUL (Service/Agency use only.) # Items (Assemblies and/or component parts) which for lack of specialized tools, test equipment, etc., can be used only by major overhaul activities. Base, post, camp or station activities will not requisition unless authorized to perform major overhaul function.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative