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NSN: 4310-00-004-8264
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Cross Reference These part numbers have the same form, fit, and function of 8s4581

Item Number Cage
8S4581 11083

Characteristic Codes 8S4581 spec. code meanings

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

Mfr. Cage 11083


iron cast

AAXZ Cylinder Quantity
MATT Material
Iron cast
FEAT Special Features
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

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.
National Stock Number (NSN) 4310-00-004-8264

Last Modified: 02/14/2017