Miscellaneous

Image Part Number Description / PDF Quantity Rfq
RFRT-G2-101-G3

RFRT-G2-101-G3

Richco, Inc. (Essentra Components)

DAMPER ROTARY SNAP IN BLK

468

RFRT-D2-152-G2

RFRT-D2-152-G2

Richco, Inc. (Essentra Components)

DAMPER ROTARY SNAP IN BLK

496

2500620500

2500620500

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .062 OD, 1/2 IN L

4947

RFRT-G2-600-G2

RFRT-G2-600-G2

Richco, Inc. (Essentra Components)

DAMPER ROTARY SNAP IN BLK

494

2502100500

2502100500

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .210 OD, 1/2 IN L

3000

2501870250

2501870250

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .187 OD, 1/4 IN L

5000

2500930125

2500930125

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .093 OD, 1/8 IN L

3000

RFRT-G2-101-G2

RFRT-G2-101-G2

Richco, Inc. (Essentra Components)

DAMPER ROTARY SNAP IN BLK

206

2501221125

2501221125

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .122 OD, 1-1/8 IN

1960

RFRT-G2-101-G1

RFRT-G2-101-G1

Richco, Inc. (Essentra Components)

DAMPER ROTARY SNAP IN BLK

64

RFRT-G2-600-G3

RFRT-G2-600-G3

Richco, Inc. (Essentra Components)

DAMPER ROTARY SNAP IN BLK

498

2501250500

2501250500

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .125 OD, 1/2 IN L

9380

2500470250

2500470250

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .047 OD, 1/4 IN L

3000

RFRT-G2-300-G2

RFRT-G2-300-G2

Richco, Inc. (Essentra Components)

DAMPER ROTARY SNAP IN BLK

498

2501870625

2501870625

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .187 OD, 5/8 IN L

2999

V-1028

V-1028

Richco, Inc. (Essentra Components)

CLIP SCREW MNT BLACK 1.75" DIA

355

27PP001

27PP001

Richco, Inc. (Essentra Components)

FEMALE PIN, FOR POSTNT POST, .42

25000

2500930187

2500930187

Richco, Inc. (Essentra Components)

PLASTIC DOWEL, .093 OD, 3/16 IN

2995

RFRT-G2-200-G1

RFRT-G2-200-G1

Richco, Inc. (Essentra Components)

DAMPER ROTARY SNAP IN BLK

497

013118ABTS100

013118ABTS100

Richco, Inc. (Essentra Components)

THREADED STUD ADHESIVE 5/16-18 T

500

Miscellaneous

1. Overview

Miscellaneous hardware components refer to specialized mechanical elements that do not fall into standard fastener categories but are critical for structural integrity, functionality, and system integration. These components enable precise load distribution, vibration damping, cable management, and environmental protection in modern engineering systems. Their importance has grown with advancements in automation, miniaturization, and multi-functional design requirements across industries.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Washers & SpacersDistribute load, prevent loosening, maintain spacingAerospace bolted joints, plumbing systems
Cable Ties & ClipsOrganize and secure wiring harnessesAutomotive wiring, data centers
Vibration DampersIsolate mechanical vibrationsIndustrial machinery, HVAC systems
Threaded InsertsProvide durable threads in soft materialsAerospace composites, plastic enclosures
Anti-Rotation PinsPrevent rotational movement in assembliesRobotics, precision instruments

3. Structure and Composition

Typical components feature: - Material Core: Steel alloys (8.8-12.9 grade), stainless steel (A2/A4), aluminum (6061-T6), or engineered polymers (nylon 6/6, PEEK) - Surface Treatment: Zinc plating (5-25 m), passivation, anodizing, or polymer coatings - Geometric Features: Precision-machined internal threads (M1.6-M24), tolerance class 6H/6g - Specialized Elements: Integrated O-rings, self-locking mechanisms, or conductive paths

4. Key Technical Specifications

ParameterTypical RangeImportance
Tensile Strength400-1,200 MPaDetermines load capacity
Vibration Resistance0-3,000 Hz operational rangeSystem stability in dynamic environments
Temperature Range-60 C to +300 CMaterial performance under thermal stress
Corrosion Resistance1,000-4,000h salt spray test ratingLong-term durability
Electrical Conductivity0.01-60 MS/mESD protection requirements

5. Application Fields

  • Automotive: Engine mounts, sensor fixation systems
  • Aerospace: Composite panel fastening systems
  • Electronics: PCB grounding clips, heat sink retainers
  • Renewable Energy: Solar panel vibration dampers
  • Medical Devices: Sterilizable surgical instrument fasteners

6. Leading Manufacturers and Products

ManufacturerKey ProductsTechnical Features
MISUMIFS Type Vibration DampersLoad capacity: 500N, Frequency range: 10-2,000Hz
McMaster-Carr96510 Series Cable GlandsNPT thread sizes 1/4"-1", IP68 rating
3MScotch-Weld Structural AdhesiveTensile strength: 34MPa, 25min cure time
TR FasteningsSelf-Clinching StandoffsM2-M6 thread sizes, clamp load: 8kN
Halder Components542 Series Anti-Vibration MountsDeflection: 3-10mm, 500,000 cycle durability

7. Selection Guidelines

Key considerations: - Environmental factors (temperature extremes, chemical exposure) - Mechanical requirements (dynamic vs static loads) - Regulatory compliance (ASTM F3148, ISO 2320) - Material compatibility with mating components - Assembly method constraints (hand tool vs automated installation) - Lifecycle cost analysis (maintenance intervals, replacement costs)

8. Industry Trends Analysis

Current developments include: - Smart Fasteners: Integrated strain gauges for condition monitoring (e.g., Airbus A350 wing sensors) - Nano-coatings: DLC (Diamond-Like Carbon) treatments reducing friction coefficients to 0.05 - Additive Manufacturing: Complex lattice structures for weight reduction (NASA's 3D-printed fuel nozzles) - Multi-material Systems: Hybrid polymer-metal fasteners for EV battery packs - Sustainability: Biodegradable polymer anchors achieving 90% recyclability

Emerging applications in autonomous vehicles and 5G infrastructure are driving demand for components with 0.01mm positional accuracy and 10-year maintenance-free operation.

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