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BS A 327:1998

Current
Current

The latest, up-to-date edition.

Nuts, bihexagonal, self-locking, with counterbore and MJ threads, classifications: 1100 MPa (at ambient temperature)/425°C, 1100 MPa (at ambient temperature)/650°C, 1210 MPa (at ambient temperature)/425°C, 1210 MPa (at ambient temperature)/730°C, 1550 MPa (at ambient temperature)/235°C, 1550 MPa (at ambient temperature)/425°C and 1550 MPa (at ambient temperature)/600°C. Dimensions
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-07-1998

Defines dimensions of bihexagonal nuts with counterbore and MJ threads and a self-locking feature achieved by formation of the upper portion out-of-round for classifications 1100 MPa/425 deg C), 1100MPa)/650 deg C), 1210 MPa)/425 deg C), 1210 MPa)/730 deg C), 1550 MPa)/235 deg C), 1550 MPa)/425 deg C) and 1550 MPa)/600 deg C). Applies only for the compiling of aerospace product standards.

This International Standard specifies the dimensions of bihexagonal nuts with counterbore and MJ threads and a self-locking feature achieved by forming the upper portion out-of-round, for classifications: 1 100 MPa1)/425 °C2), 1 100 MPa1)/650 °C2), 1 210 MPa1)/425 °C2), 1 210 MPa1)/730 °C2), 1 550 MPa1)/235 °C2), 1 550 MPa1)/425 °C2) and 1 550 MPa1)/600 °C2).

This International Standard is only applicable for the compilation of aerospace product standards.

Committee
ACE/12
DevelopmentNote
Also numbered as ISO 13589 Supersedes 96/713945 DC (11/2005)
DocumentType
Standard
Pages
10
PublisherName
British Standards Institution
Status
Current
Supersedes

ISO 8788:2000 Aerospace Nuts, metric Tolerances of form and position
ISO 5855-2:1999 Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts
ISO 8641:2008 Aerospace — Self-locking nuts with maximum operating temperature greater than 425 degrees C — Procurement specification
ISO 4095:1998 Aerospace — Bihexagonal drives — Wrenching configuration — Metric series
ISO 5858:1999 Aerospace Nuts, self-locking, with maximum operating temperature less than or equal to 425 degrees C Procurement specification

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