CONTRACTOR SELECT — Lock Nuts — Nylon Insert Lock Nut, 5/8"-18, Steel, Grade 8, Black Oxide, 49/64 in Ht, 10 PK

CONTRACTOR SELECT Lock Nuts built for consistent performance in maintenance, inspection, and replacement work.

Quick specs

• Material: Steel
• Finish: Black Oxide
• System of Measurement: Inch
• Thread Size: 5/8"-18
• Manufacturer Part Number: U12421.062.0002
• UPC: -

Product information

• UPC: -
• Country of Origin: Multiple
• Manufacturer Part Number: U12421.062.0002

Dimensions

• Width Across Flats: 15/16 in
• Thread Size: 5/8"-18
• Hex Height: 49/64 in
• Hex Width: 15/16 in
• Dia./Thread Size: 5/8"-18
• Nut Height: 153/200 in

Details

• Pack Size: Small Pack
• Basic Material: Steel
• Dimensional Standards: ASME B18.16.6
• Fastener Finish: Black Oxide
• Nut Style: Nylon Insert Lock Nut
• Type: Nylon Insert Lock Nut
• Material Grade: Grade 8
• Fastener Thread Type: UNF (Fine)
• Nut Standards: ASME B18.16.6
• Fastener Thread Direction: Right Hand
• Item: Lock Nut
• Hex Type: Standard Hex
• Lock Type: Nylon Insert
• Material: Steel
• Material Grade/Class: Grade 8
• Finish: Black Oxide
• Standards: ASME B18.16.6
• System of Measurement: Inch
• Thread Direction: Right Hand
• Thread Type: UNF
• Locknut Series: NE - Regular Lock Nut

This Lock Nuts is designed to support reliable operation in demanding environments.

Recommended for planned maintenance programs 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: Review application constraints and installation requirements to ensure the part meets your needs.