BS 4929-1:1973 - Specification for steel hexagon prevailing-torque type nuts. Metric series

BS 4929-1:1973

Specification for steel hexagon prevailing-torque type nuts. Metric series

Status : Withdrawn   Published : June 1973 Replaced By : BS EN ISO 2320:1998, BS EN ISO 7042:1998

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Dimensions, mechanical properties, performance requirements and nut heights for nuts in a range of sizes from 3 mm to 36 mm. The nuts may have either metallic or non-metallic locking elements. Temperature ranges in which the nuts may be used are also stated.




Standard NumberBS 4929-1:1973
TitleSpecification for steel hexagon prevailing-torque type nuts. Metric series
StatusWithdrawn
Publication Date15 June 1973
Confirm Date01 March 2013
Withdrawn Date24 October 2019
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Replaced ByBS EN ISO 2320:1998, BS EN ISO 7042:1998
Amended ByTitle Absent
DescriptorsNuts, Steels, Washers, Vibration-resistant fasteners, Marking, Dimensions, Fasteners, Threaded fasteners, Test equipment, CGS system (metric), Locknuts, Hexagonal shape, Mechanical testing, Mechanical properties of materials
ICS21.060.20
Title in FrenchEcrous hexagonaux en acier du type a couple dominant. Specification. Dimensions metriques
Title in GermanHauptdrehmoment-Sechskantstahlmuttern. Spezifikation. Metrische Groessen
CommitteeFME/9
ISBN0 580 07641 5
PublisherBSI
FormatA4
DeliveryYes
Pages14
File Size325 KB
NotesFollowing a query to BSI from a safety critical industry sector regarding an apparent anomaly in hardness values in BS 4929 Part 1:1973, basic market research was conducted on behalf of the FME/9 committee, which indicated there was no discernible UK volume production nor standard stockholding based on either parts of this standard. BS 4929 Part 1 is already partially replaced by BS EN ISO 7042:1998 and BS EN ISO 2320: 1998 although the extent is not clear. There is no apparent direct replacement for BS 4929 Part 2. The committee considered whether it was possible to undertake an adequate review of the standard in order to ensure its technical integrity but found that there was not the appropriate expertise amongst its membership, or available to the committee, to do so. Accordingly, as defined by BS0:2016 6.2.2 and 6.2.3, the committee recommends withdrawal of both BS 4929 Parts 1 & 2:1973
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