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CA18021-1C Stud, CRES Material Composition

Part # CA18021-1C

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The CA18021-1C Turnlock Stud offers precision in aviation with high-strength 8740 steel, heat-treated to 160-180 KSI. Its passivated surface ensures corrosion resistance, while the flat countersunk head and torque set drive enhance reliability for aerospace applications.
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WARNING: This product can expose you to chemicals including CADMIUM (NON-PYROPHORIC) which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Overview

The CA18021-1C Turnlock Stud is engineered for precision and reliability in aviation applications. Featuring a flat countersunk head style and a torque set drive type, this stud ensures secure fastening in critical assemblies. Constructed from high-strength steel alloy 8740, it is heat-treated to achieve a tensile strength of 160-180 KSI. The passivated surface treatment enhances corrosion resistance, making it suitable for various environmental conditions. With a nominal grip length of 0.247 inches and accommodating material thicknesses from 0.156 to 0.250 inches, this stud is designed for optimal performance in demanding aerospace environments.

Features & Benefits

Features
  • Flat countersunk head style for a smooth finish.
  • Torque set drive type for secure fastening.
  • Heat-treated to achieve a tensile strength of 160-180 KSI.
  • Passivated surface treatment for enhanced corrosion resistance.
Benefits
  • Ensures reliable performance in critical aircraft assemblies.
  • Provides a clean, flush finish to reduce aerodynamic drag.
  • Resists corrosion, extending the lifespan of the fastener.
  • Accommodates a range of material thicknesses for versatile applications.

Technical Information

ATA Number

57

ATA Chapter

Wings

ATA Group

Structure

ATA Section

Wings

Lead Time (Days)

262

Not For Sale

No

Product Class Description

Studs

Country of Origin

United States

Harmonized Tariff Schedule Code

7318190000

Manufacturer CAGE Code

92215
29372
06710
5M902

Storage Required

No

Unit Of Measure

EA

Pieces Per Pound

0

DFAR Applicable

Yes

Revision Level Applicable

Yes

Product Class

31163300

Material Composition

CRES

Design Holder CAGE Code

26390

Design Holder

TRIDAIR INDUSTRIES A REXNORD CO

Potential Alternates

5325002600134

Aircraft Makes

Embraer

Aircraft Models

ERJ-190-100
ERJ-190-200
ERJ-170-100
ERJ-190-200 IGW
ERJ-190-100 LR
ERJ-170-200 LR
10 more

Shipping Details

Dry Ice

No

ECCN

EAR99

Proprietary Part

No

Hazmat

No
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Boeing Distribution Services
Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. See terms & conditions.