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Part Numbers

Item Number Item Description
8S4581 Cylinder Head, Compressor

Master Requirement Codes

Code Translation
AAXZ The number of cylinders incorporated in the item.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
FEAT Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

8S4581 Compressor Cylinder Head

Cage 11083

Technical Definition

Cylinder Head, Compressor, also referenced with federal logistics item name code 61616 - An item designed to inclose the cylinder bore(s) of an engine block to form a combustion chamber(s). it may have liquid-cooling passage(s) and/or air-cooling fin(s) and may include valve(s), valve guide(s), spring(s), and the like. it is a component part of a compressor, reciprocating.

Technical Characteristics

Cylinder Quantity (AAXZ):
Material (MATT):
Iron cast
Special Features (FEAT):
6.000 in. l;4.250 in. w;2.250 in. h;includes 2 discharge valves and 2 inlet ports;designed for two stage compressor;8 bolt holes 5/16 in. dia;5 discharge ports,1 flanged 7/8 in. dia;4 3/8-18 npt rh ports,unused ports are to be plugged

National Stock Number (NSN)