Aerospace & Automotive Standards Flashcards
7 cards from real CFS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Aerospace & Automotive Standards flashcards as text
In aerospace applications, what is the primary reason titanium fasteners are used despite their higher cost compared to steel?
Answer: High strength-to-weight ratio
Titanium fasteners offer an excellent strength-to-weight ratio, critical in aerospace where every pound of fastener weight multiplied by thousands adds significant aircraft weight.
NADCAP (National Aerospace and Defense Contractors Accreditation Program) accreditation for fastener manufacturers most commonly covers which special process?
Answer: Heat treatment
NADCAP accreditation for fastener suppliers most commonly covers heat treatment as it is a critical process affecting mechanical properties.
Under SAE AS4536, what is required of an aerospace fastener distributor to be considered an authorized distributor?
Answer: Direct contractual relationship with the original manufacturer
SAE AS4536 defines an authorized distributor as one with a direct contractual distribution agreement with the original fastener manufacturer.
Ford's WESS (Worldwide Engineering Subsystem Specification) for fasteners requires suppliers to perform which audit process during PPAP?
Answer: Production Part Approval Process dimensional layout
PPAP for automotive fasteners requires a full dimensional layout (all dimensions on the print) as part of the part submission warrant.
What does the AN (Air Force-Navy) designation system indicate about a fastener's origin?
Answer: It was jointly standardized by the Air Force and Navy for interchangeability
AN standards were jointly developed by the U.S. Air Force and Navy to ensure interchangeability of hardware across military aircraft.
Which ASTM standard covers the chemical composition and mechanical properties of stainless steel hex cap screws used in automotive exhaust system applications?
Answer: ASTM F593
ASTM F593 covers stainless steel bolts, hex cap screws, and studs including those used in high-temperature automotive exhaust applications.
In the aerospace fastener supply chain, what does the term 'traceability' primarily require?
Answer: Documented link from finished fastener back to the original heat/lot of raw material
Traceability requires maintaining documented records that link finished fasteners back to specific raw material heats and processing records for each lot.