Locknut with Nylon Insert, Grade 8, Coarse Thread, 0.765" Thickness, 15/16" Across Flats, 5/8-11", Alloy Steel, Yellow Zinc Finish
(Pack of 10)

SKU:53985 Item#: 53985

Lawson Products

Keep this versatile Nyloc nut on hand for automotive, mechanical and construction projects. Nylon insert prevents damage to bolt threads, making this lock nut ideal for applications where vibration or movement could cause fasteners to loosen. Use this handy lock nut to secure engine parts, fasten gears and pulleys and connect metal components in structures where vibration might occur.
• Manufactured to IFI Standard 100/107
• Meets SAE Grade 8 strength requirements
• Identified by six symmetrically spaced marks on the chamfered surface on the top of the nut or two circumferential notches on the corners of the nut

Read More

Frequently Bought Together

DV_ZoomOriginal_P_41540.jpg

Hydraulic Quick Connect Nipple 3/4" x 1-11-1/2

Item#: 29978
DV_ZoomOriginal_P_6168_WB.jpg

Z Series Crimp-On Hose End 3/4" x 1-1/16-12

Item#: 16623
DV_ZoomOriginal_P_31283.jpg

Hydraulic Quick Connect Coupler 1/2" x 3/4-14

Item#: 29972
DV_ZoomOriginal_P_1999.jpg

Flat Washer Grade 12 Thru-Hardened Steel M12

Item#: 87512
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 1/2-13

Item#: A104
DV_ZoomOriginal_P_1999.jpg

Flat Washer Grade 12 Thru-Hardened Steel M10

Item#: 87511
DV_ZoomOriginal_P_33478.jpg

SAE J995C Locknut with Nylon Insert Grade A 5/8-11

Item#: 306
DV_ZoomOriginal_P_520.jpg

DIN 980V Top Locknut Grade 10 M10-1.5

Item#: 87501
DV_ZoomOriginal_P_1651.jpg

Locknut with Nylon Insert 18-8 SS 5/16-18

Item#: 91394
DV_ZoomOriginal_P_32673.jpg

Hex Nut Grade 5 Steel 5/8-11

Item#: FA95683
DV_ZoomOriginal_P_32671.jpg

Hex Nut Grade 8 Steel 1/4-20

Item#: FA68400
DV_ZoomOriginal_P_31312.jpg

IFI 100/107 Top Locknut Grade C 3/8-16

Item#: 80929
DV_ZoomOriginal_P_32671.jpg

Hex Nut Grade 8 Steel 1/2-13

Item#: FA68404
DV_ZoomOriginal_P_32673.jpg

Hex Nut Grade 5 Steel 5/16-18

Item#: FA95678
DV_ZoomOriginal_P_41097_WB.jpg

Hex Cap Screw Grade 8 Alloy Steel 3/8-16 x 1-1/2"

Item#: 634
DV_ZoomOriginal_I_FA88445.jpg

USS Flat Washer Thru-Hardened Steel 1/4"

Item#: FA88445
DV_ZoomOriginal_P_1999.jpg

Flat Washer Grade 12 Thru-Hardened Steel M8

Item#: 87510
DV_ZoomOriginal_P_31312.jpg

IFI 100/107 Top Locknut Grade C 5/8-11

Item#: 80933
DV_ZoomOriginal_P_38605.jpg

817 Thermal Utility Mechanics Style Gloves

Item#: SF10660
DV_ZoomOriginal_P_SF1230.jpg

925WP XL Performance Dorsal Impact-Reducing + Thermal WP Gloves

Item#: 1285166
DV_ZoomOriginal_P_38605.jpg

817 Thermal Utility Mechanics Style Gloves

Item#: SF10659

Product Description

Keep this versatile Nyloc nut on hand for automotive, mechanical and construction projects. Nylon insert prevents damage to bolt threads, making this lock nut ideal for applications where vibration or movement could cause fasteners to loosen. Use this handy lock nut to secure engine parts, fasten gears and pulleys and connect metal components in structures where vibration might occur.
• Manufactured to IFI Standard 100/107
• Meets SAE Grade 8 strength requirements
• Identified by six symmetrically spaced marks on the chamfered surface on the top of the nut or two circumferential notches on the corners of the nut

Technical Specifications

Item#: 53985
Diameter 5/8 "
Thread Pitch 11
Grade 8
Finish Yellow Zinc
Type Nylon Insert Lock Nut
Material Alloy Steel
Thickness 0.765 "
Across Flats 15/16 "
Thread Coarse
Specifications SAE J995C
Maximum Temperature 350º F
Proof 150,000 PSI
Quantity Per Package 10.0000
UNSPSC #: 31161716
TAA Compliant: No
Weight: 0.87 lb

Product Restrictions

Your Recently Viewed Items