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LN 29794

1980 Edition, March 1, 1980

Complete Document

Aerospace; Screws, countersunk head with TORQ-SET recess, nearly threaded to the head



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Product Details:

  • Revision: 1980 Edition, March 1, 1980
  • Published Date: March 1980
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Deutsches Institut fur Normung E.V. (DIN)
  • Page Count: 4
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

General

This annex contains additional information for the manufacture of pan head bolts outside Germany.

Owing to varying approving procedures, production methods, materials, etc. the details given in this standard on pan head screws with TORQ-SET recess 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 material in the corresponding data sheet of the German Aviation Materials Manual, Par I.

The foreign materials listed in DIN 29 895 (at present still in draft from) are approved by the responsible qualification authorities as equivalent to the German material.

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

A.2 Materials

Alternative materials see DIN 29 895 (at present still in draft from).

A.3 Surface treatment

USA QQ-P-416, type II, class 3

UK DTD 904