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Analysis of Full-Test tools and their limitations as applied to terminal junction blocksDiscovery of unlocked contacts in Deutsch Block terminal junctions in Solid Rocket Booster flight hardware prompted an investigation into pull test techniques to help insure against possible failures. Internal frictional forces between socket and pin and between wire and grommet were examined. Pull test force must be greater than internal friction yet less than the crimp strength of the pin or socket. For this reason, a 100 percent accurate test is impossible. Test tools were evaluated. Available tools are adequate for pull testing.
Document ID
19830016282
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Smith, J. L. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 4, 2013
Publication Date
April 1, 1983
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
NASA-TM-82520
NAS 1.15:82520
Accession Number
83N24553
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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