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Bolt, Machine - Double Hexagon Extended Washer Head, Drilled, Pd Shank, Silver Plated, Nickel Alloy, UNS N07718, 185 ksi Min, .3750-24 UNJF-3A

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS3253D
  • Current
Published 2019-06-03 by SAE International in United States

Scope is unavailable.

 

BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, AMS4967 (UNS R56400), 1600 KSI, .3125-24 UNJF-3A

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS3149B
  • Current
Published 2019-04-11 by SAE International in United States
No Abstract Available.
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WASHER, KEY - 270 DEG, LOCKING, CRES, UNS S32100

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS9582C
  • Current
Published 2019-04-10 by SAE International in United States
No Abstract Available.
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CIRCUIT BREAKER - TRIP-FREE, PUSH-PULL, 1/2 THRU 20 AMP, TYPE I

AE-8B Protective and Control Devices
  • Aerospace Standard
  • AS26574A
  • Current
Published 2019-04-10 by SAE International in United States
No Abstract Available.
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Improved Test Method for Tribological Evaluation of High Performance Plastics

Freudenberg-NOK-Saikrishna Sundararaman
Published 2019-04-02 by SAE International in United States
Engineering plastics are widely used in many tribological applications due to their inherent advantages such as reduced weight, ease of manufacturing, improved chemical compatibility, and damping characteristics. However, the process of selecting an appropriate polymeric material system for a specific application involves significant experimentation. Although, standardized methods of evaluating tribological performance of engineered plastics exist, their ability to be indicative of part performance in the end application is rather poor, primarily because of (a) the typically low pressure-velocity combinations used in these tests, (b) their inability to properly differentiate between various failure modes (wear vs creep vs melting of the plastic in case of thermoplastic polymers) and (c) the large number of variables that exist in a tribological system including pressure, relative speeds, thermomechanical properties of mating components, surface roughness/hardness parameters, type of lubricant and most importantly, part geometry and large variability of thermal management in the application. In the present work, a four hour test to evaluate dry and lubricated wear of high performance plastics is developed. This allows for multiple repeats to understand…
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iLokTM Nut - An Innovative Fastener that Solves a 30 Year Old Problem for Rear Axle Hub Assemblies

Duraforce Fastener Systems LLC.-Pierre Dionne
Neumayer Tekfor Automotive Brasil Ltda-Paulo Sigoli, Marcelo do Carmo Silva
  • Technical Paper
  • 2019-01-0339
Published 2019-04-02 by SAE International in United States
Truck and bus manufacturers have been constantly facing an issue to disassemble the rear axle shaft from the hub when transporting the truck from the factory to the dealership. In addition to that, the dealerships have the very same problem every time they have to replace the brake pads in some truck models, which leads to excessive service time, extra costs and aftermarket complaints. The current problematic fastening system is composed by a lock nut, a flat washer and a coned slotted bushing. The concept of this 30 year old design involves the coned slotted bushing being pressed against a tapered hole on the shaft’s flange. After tightening the lock nut, the bushing clamps towards the stud and it gets stuck in between the shaft and the stud generating the problem described above. This paper shows the R&D process that Tekfor used to come up with the 1-piece fastener named iLokTM nut that replaces the problematic 3-piece fastening system. The methodology involved (a) Innovation process; (b) CAD modeling; (c) Finite Element Analysis; (d) Forging simulations;…
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BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, AMS4967 (UNS R56400), 160 KSI, .2500-28 UNJF-3A

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS3148B
  • Current
Published 2019-03-28 by SAE International in United States
No Abstract Available.
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BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, AMS4967 (UNS R56400), 160 KSI, .1900-32 UNJF-3A

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS3147B
  • Current
Published 2019-03-28 by SAE International in United States
No Abstract Available.
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BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, PD SHANK, BLACK OXIDE, STEEL, UNS G87400, 125 KSI MIN, .3750-24 UNF-3A

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • AS91601C
  • Current
Published 2019-03-21 by SAE International in United States
No Abstract Available.
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WASHER, KEY - 90° LOCKING, CRES, UNS S32100, METRIC

E-25 General Standards for Aerospace and Propulsion Systems
  • Aerospace Standard
  • MA4037B
  • Current
Published 2019-03-18 by SAE International in United States
No Abstract Available.
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