Master Table – Small Items in Modern Aircraft

Category	Item	Typical Use in Aircraft
Fasteners – Bolted	Hex head bolts	Structural joints, engine mounts, landing gear attachments
Fasteners – Bolted	Close-tolerance bolts	High-precision structural assemblies (wing–fuselage joints)
Fasteners – Bolted	Hi-Lok fasteners	High-strength permanent fastening in airframe
Fasteners – Bolted	Hi-Tigue fasteners	Fatigue-critical areas like wings
Fasteners – Bolted	Clevis bolts	Control system linkages
Fasteners – Bolted	Eye bolts	Cable attachments, rigging
Fasteners – Bolted	Tension bolts	High-load structural connections
Fasteners – Screws	Machine screws	Panels, avionics, brackets
Fasteners – Screws	Self-tapping screws	Non-structural attachments
Fasteners – Screws	Countersunk screws	Flush aerodynamic surfaces
Fasteners – Screws	Structural screws	Medium-load applications
Fasteners – Screws	Captive screws	Access panels (prevent loss during maintenance)
Nuts & Locking Devices	Self-locking nuts (nyloc/metal)	Prevent loosening under vibration
Nuts & Locking Devices	Castle nuts	Used with cotter pins in rotating parts
Nuts & Locking Devices	Anchor nuts	Fixed nuts for blind installation
Nuts & Locking Devices	Plate nuts	Panel and structural mounting
Nuts & Locking Devices	Jam nuts	Locking secondary nut
Nuts & Locking Devices	Shear nuts	Designed to fail at specific loads
Washers & Spacers	Flat washers	Load distribution
Washers & Spacers	Lock washers	Prevent loosening
Washers & Spacers	Shim washers	Alignment and spacing
Washers & Spacers	Spacer sleeves	Maintain gap between parts
Washers & Spacers	Bushings	Reduce wear in rotating joints
Rivets	Solid rivets	Primary structural joints (fuselage, wings)
Rivets	Blind rivets	Areas with single-side access
Rivets	Flush rivets	Aerodynamic surfaces
Rivets	CherryMAX rivets	High strength blind applications
Rivets	Explosive rivets	Special installations
Pins & Retainers	Cotter pins	Locking castle nuts
Pins & Retainers	Taper pins	Precision alignment
Pins & Retainers	Spring pins	Vibration-resistant locking
Pins & Retainers	Quick release pins	Fast maintenance removal
Pins & Retainers	Dowel pins	Accurate positioning
Locking & Safety Items	Lock wire	Securing bolts/nuts in critical systems
Locking & Safety Items	Lock plates	Prevent rotation of fasteners
Locking & Safety Items	Safety clips	Retaining components
Locking & Safety Items	Tab washers	Mechanical locking
Locking & Safety Items	Retaining rings (circlips)	Shaft retention
Structural Small Elements	Stringers	Longitudinal fuselage strength
Structural Small Elements	Frames	Shape and support fuselage
Structural Small Elements	Ribs	Maintain wing profile
Structural Small Elements	Spar caps	Load carrying wing members
Structural Small Elements	Clips & brackets	Local structural support
Structural Small Elements	Doublers	Reinforcement of stressed areas
Bonding & Electrical	Bonding straps (braided wires)	Electrical continuity, lightning protection
Bonding & Electrical	Grounding wires	Electrical grounding
Bonding & Electrical	Jumper cables	Flexible connections across joints
Bonding & Electrical	Earth studs	Ground connection points
Bonding & Electrical	Shielding braids	EMI protection
Sealing & Gasketing	O-rings	Fluid sealing
Sealing & Gasketing	Gaskets	Interface sealing
Sealing & Gasketing	Sealants	Fuel tank sealing, joints
Sealing & Gasketing	Packing materials	Hydraulic sealing
Sealing & Gasketing	Thread sealants	Leak prevention
Bearings & Bushings	Ball bearings	Rotating assemblies
Bearings & Bushings	Roller bearings	High load rotation
Bearings & Bushings	Plain bearings	Low-speed motion
Bearings & Bushings	Spherical bearings	Misalignment tolerance
Bearings & Bushings	Bushings	Wear protection
Hydraulic Line Hardware	Tube fittings	Hydraulic connections
Hydraulic Line Hardware	Couplings	Quick disconnection
Hydraulic Line Hardware	Clamps	Secure pipelines
Hydraulic Line Hardware	Ferrules	Tube sealing
Hydraulic Line Hardware	Elbows & tees	Fluid routing
Electrical Connectors	Circular connectors	Avionics connections
Electrical Connectors	Terminal lugs	Wire terminations
Electrical Connectors	Crimp contacts	Electrical continuity
Electrical Connectors	Junction blocks	Distribution points
Electrical Connectors	Cable ties	Wire bundling
Control System Hardware	Turnbuckles	Cable tension adjustment
Control System Hardware	Pulleys	Cable routing
Control System Hardware	Control rods	Mechanical linkages
Control System Hardware	Rod-end bearings	Articulated joints
Control System Hardware	Cable swages	Cable termination
Thermal & Insulation Items	Heat shields	Protect components from heat
Thermal & Insulation Items	Insulation blankets	Thermal control
Thermal & Insulation Items	Fire sleeves	Protect lines from fire
Thermal & Insulation Items	Cladding sheets	Heat resistance
Miscellaneous Hardware	Nameplates	Identification
Miscellaneous Hardware	Drain plugs	Fluid draining
Miscellaneous Hardware	Access fasteners (DZUS)	Quick panel removal
Miscellaneous Hardware	Hinges	Doors and panels
Miscellaneous Hardware	Latches	Secure closures