Operating Together as Parker Manufacturing Group.
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NAS1189E Flat Head A286 Stainless Steel Screw

The NAS1189E series screw is designed for demanding aerospace, defense, and industrial applications, offering a robust solution for high-stress environments. Engineered for high-tension strength, these screws are suitable for critical fastening tasks where reliability and precision are paramount.

This screw is part of a specialized series featuring UNJ aerospace thread profiles, known for their ability to withstand high tension and vibration. The series is built to meet the stringent requirements of the aerospace industry, making it an ideal choice for structural assemblies and engine components. The inclusion of locking element options such as patch, strip, or pellet enhances its security in dynamic applications.

Manufactured from A286 stainless steel, the NAS1189E series offers exceptional performance in high-temperature environments. This material, conforming to AMS5731, AMS5732, AMS5737, and AMS5853, provides excellent corrosion resistance and durability, ensuring longevity in challenging conditions. Multiple finish options are available to accommodate specific environmental and operational needs.

Commonly utilized in aircraft structural assemblies, aerospace engine components, and defense systems, the NAS1189E screw series is also applicable in spacecraft assemblies and high-vibration equipment. Its aerospace-grade NAS standard compliance makes it a preferred choice in industries where precision and adherence to rigorous standards are crucial. Related standards such as NAS1189E02 through NAS1189E6 further support its versatility across various applications.

Specifications

Specification Value
Standard NAS1189E
Product Type Screw
Thread Type UNJC, UNJF 3A
Material A286 Stainless Steel (AMS5731, AMS5732, AMS5737, AMS5853)
Finish Cadmium Plate, Zinc-Nickel
REACH-RoHS REACH-RoHS
Head Style 100 Degree Flat Head
Drive Type Cruciform, Offset Cruciform, Ribbed Offset Cruciform

Features

  • 160 KSI Tensile Strength
  • UNJ Aerospace Thread Profiles
  • High Tension Strength
  • Aerospace-Grade NAS Standard
  • Multiple Finish Options
  • Locking Element Options (Patch, Strip, Pellet)

Applications

  • Aircraft structural assemblies
  • Aerospace engine components
  • Defense systems
  • Spacecraft assemblies
  • High-vibration equipment
  • High-temperature fastening applications

Available Sizes

Part Number Range Thread Length Diameter Head Diameter Head Height Recess Size Material
NAS1189E02P2 - NAS1189E02P16 UNJC 3A 0.125" - 1.625" 0.086 0.162 0.036 #1 Cruciform A286
NAS1189E04P2 - NAS1189E02P64 UNJC 3A 0.125" - 4.000" 0.112 0.213 0.045 #1 Cruciform A286
NAS1189E06P2 - NAS1189E06P64 UNJC 3A 0.125" - 4.000" 0.138 0.267 0.057 #2 Cruciform A286
NAS1189E08P2 - NAS1189E08P64 UNJC 3A 0.125" - 4.000" 0.164 0.319 0.068 #2 Cruciform A286
NAS1189E3P2 - NAS1189E3P64 UNJF 3A 0.125" - 4.000" 0.19 0.371 0.08 #2 Cruciform A286
NAS1189E4P2 - NAS1189E4P64 UNJF 3A 0.125" - 4.000" 0.25 0.491 0.106 #3 Cruciform A286
NAS1189E4P2 - NAS1189E4P64 UNJF 3A 0.125" - 4.000" 0.3125 0.491 0.133 #4 Cruciform A286
NAS1189E4P2 - NAS1189E4P64 UNJF 3A 0.125" - 4.000" 0.375 0.742 0.16 #4 Cruciform A286

FAQs

What materials are used in the NAS1189E screws?

The NAS1189E screws are made from A286 Stainless Steel, including AMS5731, AMS5732, AMS5737, and AMS5853.

What are the primary applications for these screws?

These screws are used in aircraft structural assemblies, aerospace engine components, defense systems, spacecraft assemblies, and high-vibration equipment.

What is the tensile strength of the NAS1189E screws?

The screws have a tensile strength of 160 KSI.

What thread profiles do these screws feature?

The NAS1189E screws feature UNJ aerospace thread profiles.

Are there any locking element options available?

Yes, the screws offer locking element options such as patch, strip, and pellet.

Available At These Facilities:

Parker Fasteners, CBS Fasteners, TwistTite

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