S-92805A290 6-32 x 5/16" MIL-DTL-18240 Stainless Steel Thread-Locking Hex Drive Flat Head Screws

Stainless Steel Thread-Locking Hex Drive Flat Head Screws

0373FA00027 Stainless Steel Thread-Locking Hex Drive Flat Head Screws
0373FA00027 Stainless Steel Thread-Locking Hex Drive Flat Head Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0373FA00027
Equivalent to mcmaster :
92805A290

Basic Information

System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.307"
Head Height 0.097"
Flat Head Profile Standard

Dimensions

Length 5/16"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded
Locking Type Thread Locker
Thread Locker Type Nylon Patch
Thread Locker Temperature Range -70° to 250° F

Tip & Drive Parameters

Drive Style Hex
Drive Size 5/64"
Countersink Angle 82°

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B55
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met MIL-DTL-18240
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Vibration-resistant locking with nylon patch thread locker prevents loosening in dynamic environments, maintaining assembly integrity
  • Exceptional corrosion resistance from 18-8 stainless steel construction ensures long-term reliability in harsh industrial conditions
  • High tensile strength of 70,000 psi provides reliable load-bearing capacity for demanding mechanical applications
  • Precise Class 3A thread fit ensures smooth installation and secure fastening with superior thread engagement
  • Wide temperature tolerance from -70° to 250°F maintains performance across extreme operating environments
  • Standard 82° countersink angle allows for flush mounting in precision-machined components
  • Hex drive design enables secure tool engagement and efficient installation in confined spaces

Professional Applications & Engineering Value

These 6-32 UNC flat head screws deliver critical vibration resistance and corrosion protection for industrial assemblies where reliability is paramount. The nylon patch thread locking technology effectively counters loosening in machinery, electronic enclosures, and automotive components subjected to constant motion or thermal cycling. Manufactured from 18-8 stainless steel with Class 3A thread fit, these fasteners provide precise installation with minimal galling risk. The combination of 70,000 psi tensile strength and Rockwell B55 hardness ensures durable performance in structural applications while the 82° countersink creates seamless surface profiles in precision equipment. These fully threaded screws with coarse UNC threading offer rapid assembly across manufacturing, aerospace, and heavy equipment sectors.

Specification Summary & Compliance

These flat head screws feature precision Class 3A thread fit with 6-32 UNC coarse threading and 82° countersink angle. Manufacturing complies with MIL-DTL-18240 specifications for quality assurance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring safe use across regulated industries.

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