Product Details | HYDRAULIC MOTOR-PUMP HEAD

4320-01-551-4877 An item which serves the dual purpose of closing the housing of a hydraulic pump or motor and of providing external port connection(s). It has no internal ports. For heads with integral valve plates, see VALVE HEAD, HYDRAULIC MOTOR-PUMP.20216500058Aircraft Hydraulic, Vacuum, and De-icing System Components43200020Power and Hand Pumps

Part Alternates: 1991090, 199-1090, 4320-01-551-4877, 01-551-4877, 4320015514877, 015514877

Pumps and Compressors | Power and Hand Pumps

Supply Group (FSG) NSN Assign. NIIN
43 17 MAY 2007 01-551-4877

Cross Reference | NSN 4320-01-551-4877

Part Number Cage Code Manufacturer
199-1090 11083 CATERPILLAR INC. DBA CATERPILLAR
199-1090 Z0939 CATERPILLAR OF AUSTRALIA PTY LTD

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Technical Data | NSN 4320-01-551-4877

Characteristic Specifications
SPECIAL FEATURES CONSISTS OF: 8 BOLT; 10 ORING; 2 VALVE; 2 SEAT; 1 SERVO VALVE GROUP; 1 FLUSH VALVE GROUP
III END ITEM IDENTIFICATION USED ON CATERPILLAR MOTOR HEAD GROUP 199-1090 PART OF 169-2976 PISTON POWER TRAIN MOTOR GROUP

Restrictions/Controls & Freight Information | NSN 4320-01-551-4877

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
No Freight Information