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This specification sheet establishes requirements for low collapse pressure elements of a specific configuration with various efficiency ratings designed and tested in accordance with SAE J2321 and the requirements of this specification sheet.

This specification sheet establishes requirements for a high collapse pressure configuration filter element of a specific configuration with a minimum filtration ratio of 75 for particles larger than 7 µm when designed and tested in accordance with SAE J2321 and this specification sheet.

This specification sheet establishes requirements for a high collapse pressure configuration filter element of a specific configuration with a minimum filtration ratio of 75 for particles larger than 7 µm when designed and tested in accordance with SAE J2321 and this specification sheet.

This specification sheet establishes requirements for high collapse pressure configuration filter elements of several configurations with a minimum filtration ratio of 75 for particles larger than 10 µm when designed and tested in accordance with SAE J2321 and this specification sheet.

This SAE Standard identifies the material and dimensional requirements for component connector tubes and related items for use in fluid power components. Connector tubes are also identified as quills, ferrules or transfer tubes. Connector tubes are used to connect fluid passages within a component or to connect one component to another; for example, connecting control valves to subplates. Related items include plugs, undrilled connector tubes and connector tubes for internal check valves and restrictors.

This Hydrospace Information Report (HIR) identifies the general environmental considerations for the design, development, evaluation, and testing of advanced surface craft, submersible vehicles, and other marine craft. This HIR provides criteria on the environmental limits within which marine vehicles, related components, and associated equipment should operate satisfactorily and reliably. This HIR is intended for use as a guide for the development of specific environmental requirements to be included in detailed specifications for marine vehicles and associated equipment. Specific requirements are in a state of continual change as our knowledge of the ocean environment increases. The ocean environment varies with location and time. Changes in the ocean environment can occur not only on a seasonal basis but also monthly, weekly, daily, and in some cases even hourly.

Hydraulic systems are used on marine vehicles for steering, vehicle control, and utility services. System components that generate and transmit noise are of concern. This SAE Information Report (a) addresses noise requirements which may apply to the hydraulic systems of ships and submersibles, and (b) identifies noise sources and techniques which may be used to reduce system noise. Noise of power sources (e.g., electric motors) and end items (e.g., steering linkages) is beyond the scope of this document.

This SAE Recommended Practice identifies general requirements for hydraulic fluids to be used for ship systems and equipment with respect to power transmission, lubrication, and passive applications. It also indicates the environmental limits within which the fluids shall perform their intended purpose satisfactorily and reliably. Characteristics of particular importance to ship systems and equipment are discussed.

This SAE Standard covers disposable hydraulic and lube oil filter elements. This document is a general performance specification for filter elements and identifies performance criteria and test methods. Associated specification sheets (SAE J2321-1, J2321-2, and J2321-3, etc.) define configuration and performance requirements for specific elements.

Hydraulic systems are used on marine vehicles for steering, vehicle control, and utility services. System components that generate and transmit noise are of concern. This SAE Information Report (a) addresses noise requirements which may apply to the hydraulic systems of ships and submersibles, and (b) identifies noise sources and techniques which may be used to reduce system noise. Noise of power sources (e.g., electric motors) and end items (e.g., steering linkages) is beyond the scope of this document.

This SAE Recommended Practice provides the designer with guidance for the selection of directional control valves for use in the hydraulic systems of surface ships and submersibles. This guidance includes use of standard valves and interfaces, minimum envelopes that should be reserved to permit interchangeability, environmental considerations, and general technical requirements.