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

Z Series Crimp-On Hose End 1/2

Z Series Crimp-On Hose End 1/2" x 7/8-14

Item#: 16616
Z Series Crimp-On Hose End 1/2

Z Series Crimp-On Hose End 3/8" x 3/4-16

Item#: 16614
Z Series Crimp-On Hose End 1/2

Z Series Crimp-On Hose End 5/8" x 1-1/16-12

Item#: 16621
Flat Washer Property Class 10.9 M22, Flat Washer, Property Class 10.9, Carbon Steel, M22

Flat Washer Grade 12 Thru-Hardened Steel M8

Item#: 87510
SAE Flat Washer Thru-Hardened Steel 1/4

SAE Flat Washer Thru-Hardened Steel 1/4"

Item#: 88435
Locknut with Nylon Insert Grade 8 5/16-24, Locknut with Nylon Insert, Grade 8, Alloy Steel, Yellow Zinc Finish, Fine Thread

SAE J995C Locknut with Nylon Insert Grade 8 1/2-13

Item#: 53983
IFI 100/107 Top Locknut Grade C 1-8, IFI 100/107 Top Locknut, Grade C, Alloy Steel, Zinc/Wax Finish, Coarse Thread

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

Item#: 80929
Locknut with Nylon Insert Grade A 1-1/2-12, SAE J995C Locknut with Nylon Insert, Grade A, Steel, Zinc Finish, Fine Thread

SAE J995C Locknut with Nylon Insert Grade A 1/4-20

Item#: 301
IFI 100/107 Top Locknut Grade C 1-8, IFI 100/107 Top Locknut, Grade C, Alloy Steel, Zinc/Wax Finish, Coarse Thread

Top Locknut Grade C 3/4-10

Item#: 80934
Hex Nut Grade 8 Alloy Steel 1-8, ANSI B18.2.2 Hex Nut, Grade 8, Alloy Steel, Zinc Finish, Coarse Thread, 1-1/2

Hex Nut Grade 8 Alloy Steel 1/2-13

Item#: A104
Hex Nut Grade 5 Steel 5/8-18, ANSI B18.2.2 Hex Nut, Grade 5, Steel, Zinc Finish, Fine Thread, 15/16

Hex Nut Grade 5 Steel 3/8-16

Item#: FA95679
Hex Nut Grade 8 Steel 7/8-9, ANSI B18.2.2 Hex Nut, Grade 8, Steel, Yellow Zinc Finish, Coarse Thread, 1-5/16

Hex Nut Grade 8 Steel 3/8-16

Item#: FA68402
Hex Nut Grade 8 Alloy Steel 1-8, ANSI B18.2.2 Hex Nut, Grade 8, Alloy Steel, Zinc Finish, Coarse Thread, 1-1/2

Hex Nut Grade 8 Alloy Steel 1/4-20

Item#: A100
Self-Drilling Screw Hex Head #6-20 x 1/2

Self-Drilling Screw Hex Head #10-16 x 3/4"

Item#: 84931
Hex Nut Grade 8 Alloy Steel 1-8, ANSI B18.2.2 Hex Nut, Grade 8, Alloy Steel, Zinc Finish, Coarse Thread, 1-1/2

Hex Nut Grade 8 Alloy Steel 1/2-13

Item#: A104
USS Flat Washer Thru-Hardened Steel 7/8

USS Flat Washer Thru-Hardened Steel 1/4"

Item#: 88445
Butt Connector 16 to 14 AWG Blue, Butt Connector, 2-Piece Heat Seal, Polyolefin Insulated, 16 to 14 AWG, 1.45

Butt Connector 16 to 14 AWG Blue

Item#: 92823
USS Flat Washer Thru-Hardened Steel 7/8

USS Flat Washer Thru-Hardened Steel 3/8"

Item#: 88447
Ninja Series Insulated Work Gloves, Black, Large, PVC Coated, Nylon Shell, Knit Wrist Cuff

Ninja Series Insulated Work Gloves, Black, Large, PVC Coated, Nylon Shell, Knit Wrist Cuff

Item#: 1540143
Ninja Series Insulated Work Gloves, Black, Large, PVC Coated, Nylon Shell, Knit Wrist Cuff

Ninja Series Insulated Work Gloves, Black, Medium, PVC Coated, Nylon Shell, Knit Wrist Cuff

Item#: SF13083
Ninja Series Insulated Work Gloves, Black, X-Large, PVC Coated, Nylon Shell, Knit Wrist Cuff

Ninja Series Insulated Work Gloves, Black, X-Large, PVC Coated, Nylon Shell, Knit Wrist Cuff

Item#: 1540141

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