ISO 4566-1992 PDF

Full title and description

ISO 4566:1992 — Small craft with inboard engine — Propeller shaft ends and bosses with 1:10 taper. This International Standard specifies the dimensional system and tolerances for propeller shaft ends and matching propeller bosses (hubs) intended for small craft with inboard engines, using a 1:10 taper for interchangeability across a range of shaft diameters.

Abstract

ISO 4566:1992 defines dimensions and tolerances necessary to ensure mechanical interchangeability between propeller shaft ends and propeller bosses for small craft with inboard engines. The standard covers shaft diameters from 20 mm to 160 mm and uses a 1:10 taper specification; it establishes nominal dimensions, tolerances and fit relationships to allow consistent manufacturing and reliable assembly of propellers and shafts.

General information

• Status: Published (International Standard; confirmed in review).
• Publication date: 3 December 1992 (Edition 2, 1992).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 47.080 — Small craft.
• Edition / version: Edition 2 (1992).
• Number of pages: 3 (concise technical specification; national/adopted versions may show differing pagination due to national front matter or translation).

Scope

Specifies the dimensions and tolerances for interchangeability of propeller shaft ends and propeller bosses with a taper of 1:10 for small craft with inboard engines. The scope covers shaft diameters in the range 20 mm to 160 mm, giving nominal dimensions, allowable deviations and fit conventions required so that propeller hubs and shaft ends from different manufacturers will mate correctly and safely.

Key topics and requirements

• Definition of nominal shaft diameters and corresponding taper dimensions for a 1:10 taper system.
• Tolerances for shaft ends and propeller boss bores to ensure interchangeability across the 20 mm–160 mm range.
• Fit and assembly considerations to prevent fretting, misalignment and improper seating of propellers on shafts.
• Dimensional tables specifying lengths, diameters, tapers and keying/locking features where applicable.
• Guidance suitable for manufacturing, inspection and quality control to achieve consistent interchangeability.

Typical use and users

Used by marine equipment manufacturers (propeller and shaft makers), naval architects, boatbuilders, component suppliers, maintenance and repair yards, testing and inspection services, and conformity/quality departments. Designers and purchasing engineers rely on the standard to specify compatible propeller-spline/shaft interfaces that allow safe replacement and aftermarket interchange of propellers on small craft with inboard engines.

Related standards

Related documents and national/adopted versions include the earlier ISO 4566:1985 (withdrawn), EN/EN ISO adoptions (EN ISO 4566/EN ISO 4566:1995 and national adoptions such as SS‑EN ISO 4566, ÖNORM EN ISO 4566), and other small craft standards produced by ISO/TC 188 (small craft) covering hull construction, propulsion interfaces and marine equipment (for example various parts of ISO 12215 series and other ISO small craft standards covering propulsion and installation practices).

Keywords

small craft, inboard engine, propeller shaft end, propeller boss, propeller hub, 1:10 taper, shaft diameter, interchangeability, tolerances, ISO 4566

FAQ

Q: What is this standard?

A: ISO 4566:1992 is an International Standard that specifies dimensions and tolerances for propeller shaft ends and matching propeller bosses (hubs) for small craft with inboard engines using a 1:10 taper to ensure interchangeability.

Q: What does it cover?

A: It covers nominal dimensions, tolerances and fit relationships for shaft diameters between 20 mm and 160 mm with a 1:10 taper, enabling propeller hubs and shaft ends from different manufacturers to mate correctly.

Q: Who typically uses it?

A: Marine component manufacturers (propellers, shafts), boatbuilders, naval architects, maintenance and repair facilities, quality and inspection personnel, and procurement teams specifying propeller‑shaft interfaces.

Q: Is it current or superseded?

A: ISO 4566 was published as Edition 2 in December 1992. The edition has been subject to periodic review and has been maintained/confirmed in subsequent ISO reviews; it is treated as the current ISO document (the 1992 edition) for this subject unless superseded by a later ISO revision or replacement published after the 1992 edition.

Q: Is it part of a series?

A: ISO 4566 is a stand‑alone product interface standard for propeller shaft ends and bosses within the broader body of ISO small craft standards produced by ISO/TC 188. National and regional bodies commonly adopt it as EN ISO or national ISO-adopted standards; it relates functionally to other small craft standards covering hull, propulsion installation and related components.

Q: What are the key keywords?

A: Small craft, propeller shaft, propeller boss, propeller hub, 1:10 taper, interchangeability, shaft diameter, tolerances, ISO 4566.