Deutsches Institut fur Normung e. V.

Aerospace; Bolts, hexagon, close tolerance, short thread, titanium alloy
 N LN 29943

Annotation

General

This annex contains additional information for the manufacture of close tolerance hexagon bolts outside Germany.

Owing to varying procedures, production methods, materials, etc. the details given in this standard on close tolerance hexagon bolts are not always sufficient for manufacture abroad. For instance, materials are used which may well ensure the required characteristics for a standard part in its final state, but which are not listed as equivalent materials in the corresponding data sheet of the German Aviation Materials Manual, Part I.

The foreign materials listed in DIN 29895 (at present in draft form) are approved by the responsible qualification authorities of the individual countries as equivalent to the German material.

The surface treatment required in clause A. 3 is equivalent to that called for by LN 9368 Part 1 and 5.

Differences in appearance due to varying manufacturing methods do not affect the performance and interchangeability provided the dimensions given in the table are adhered to.

A.2 Material

For alternative materials see DIN 29895 (at present in draft form)

ITA AMS 49671) precipitation hardened

A.3 Surface treatment

2500+MIL-L-89372)

1) Sold by the

Society of Automotive Engineers, Inc. 400 Commonwealth Drive, Warrendale, Pennsylvania 15096 USA