Adjustment Nut/Spacer: Load Capacity 500-5000 N

Component Specifications

Definition

A threaded nut or spacer component used in spring assemblies to fine-tune spring tension, compression, or positioning. It enables precise adjustment of spring force characteristics and maintains proper alignment between spring and mating components through controlled axial movement along threaded interfaces.

Working Principle

Operates through threaded engagement with mating components, allowing controlled axial displacement when rotated. The nut/spacer creates or relieves spring preload by changing the effective spring length, while maintaining structural integrity through proper thread contact and load distribution.

Materials

Typically manufactured from carbon steel (AISI 1018/1045), alloy steel (AISI 4140), or stainless steel (304/316). May include surface treatments: zinc plating, black oxide, or phosphate coating for corrosion resistance. Hardness range: 25-45 HRC for steel variants.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Thread Type	Metric (M6-M20) or Imperial (1/4"-3/4")
Thread Pitch	Standard coarse or fine pitch
Load Capacity	500-5000 N
Inner Diameter	Thread dependent
Outer Diameter	10-40 mm
Height/Thickness	5-30 mm
Temperature Range	-40°C to 120°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 4032, ISO 8673, DIN 934, DIN 439

Parent Products

This component is used in the following industrial products

Spring Assembly

A calibrated spring sub-assembly that sets the opening pressure of a sanitary pressure relief valve.

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Engineering Analysis

Risks & Mitigation

Thread stripping under excessive torque
Corrosion in humid environments
Vibration-induced loosening
Improper alignment causing uneven load distribution

FMEA Triads

Trigger: Incorrect torque application during installation
Failure: Thread stripping or component deformation
Mitigation: Use calibrated torque wrenches and follow manufacturer specifications

Trigger: Exposure to corrosive environments without proper protection
Failure: Reduced thread integrity and seizure
Mitigation: Apply appropriate coatings and implement regular maintenance inspections

Trigger: Inadequate locking mechanism in high-vibration applications
Failure: Gradual loosening and loss of adjustment
Mitigation: Use locking nuts, thread-locking compounds, or secondary retention methods

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

ISO 2768-m for general dimensions, thread tolerance 6g/6H per ISO 965

Test Method

Torque-to-yield testing, salt spray testing per ASTM B117, dimensional verification with thread gauges

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Adjustment Nut/Spacer

Manufacturer profiles associated with Adjustment Nut/Spacer.

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Frequently Asked Questions

What is the primary function of an adjustment nut in spring assemblies?

The primary function is to provide precise control over spring tension and position by allowing fine adjustment through threaded movement, ensuring optimal spring performance and system calibration.

How do I select the right material for an adjustment nut/spacer?

Select based on application requirements: carbon steel for general use, alloy steel for high strength, stainless steel for corrosion resistance, and consider surface treatments for environmental protection.

Can adjustment nuts be reused after initial installation?

Yes, but inspect for thread wear, deformation, or corrosion. Re-torque to specified values and replace if signs of damage or excessive wear are present.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Adjustment Nut/Spacer