FLEXLOC — Lock Nuts — Flexible Top Lock Nut, 3/8"-16, Steel, Grade 2, Black Oxide, 9/64 in Ht, 100 PK

A practical Lock Nuts by FLEXLOC intended for repeatable results in shop, facility, and field workflows.

Quick specs

• Material: Steel
• Finish: Black Oxide
• System of Measurement: Inch
• Thread Size: 3/8"-16
• Manufacturer Part Number: 20FA-616
• UPC: -

Product information

• Country of Origin: United States
• Manufacturer Part Number: 20FA-616
• UPC: -

Dimensions

• Thread Size: 3/8"-16
• Hex Height: 9/64 in
• Hex Width: 5/8 in
• Dia./Thread Size: 3/8"-16
• Width Across Flats: 5/8 in

Details

• Maximum Temperature: 1,200 Degrees F
• Thread Fit: 2B
• Removable: Yes
• Fastener Thread Type: UNC (Coarse)
• Dimensional Standards: MIL-S-7742, NASM25027
• Fastener Thread Direction: Right Hand
• Type: Top Lock
• Nut Style: Top Lock
• Fastener Finish: Plain
• Basic Material: Steel
• Material Grade: Grade 2
• Item: Lock Nut
• Hex Type: Standard Heavy Hex
• Lock Type: Flexible Top
• Material: Steel
• Material Grade/Class: Grade 2
• Finish: Black Oxide
• Standards: MIL-S-7742; NASM25027
• System of Measurement: Inch
• Thread Direction: Right Hand
• Thread Type: UNC
• Resistance Properties: Impact Resistant, Shock and Vibration Resistant
• Pack Size: Small Pack
• Minimum Temperature: -70 Degrees F

This Lock Nuts is a practical option for maintenance teams and procurement.

Recommended for maintenance and repair workflows and selected for dependable day-to-day use.

Highlights

• Suitable for maintenance, repair, and project-based procurement.
• Helps keep specifications consistent across replacements and replenishment cycles.
• Designed for professional use where predictable fit and handling are important.
• Works well in standardized part lists and preventative maintenance schedules.

Notes: Verify measurement standards, tolerances, and compatibility with existing assemblies before purchase.