Home Fasteners Nuts Lock Nuts SAE J995C Locknut with Nylon Insert Grade 8 1/4-20
Fall Essentials CA
Locknut with Nylon Insert Grade 8 5/16-24, Locknut with Nylon Insert, Grade 8, Alloy Steel, Yellow Zinc Finish, Fine Thread
Locknut with Nylon Insert Grade 8 5/16-24, Locknut with Nylon Insert, Grade 8, Alloy Steel, Yellow Zinc Finish, Fine Thread

Locknut with Nylon Insert, Grade 8, Coarse Thread, 0.328" Thickness, 7/16" Across Flats, 1/4-20", Alloy Steel, Yellow Zinc Finish
(Pack of 50)

Item#: 53979

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
Check Availability

Catalog page#: 3-28

Frequently Bought Together

Z Series Crimp-On Hose End 1/2

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

Item#: 16624
Z Series Crimp-On Hose End 1/2

Z Series/1A Series Crimp-On Hose End 1/2" x 1-5/16-12

Item#: 16618
Hydraulic Quick Connect Nipple Steel 1/2

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

Item#: 29978
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 3/8-16

Item#: A102
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
Flat Washer Property Class 10.9 M22, Flat Washer, Property Class 10.9, Carbon Steel, M22

Flat Washer Grade 12 Thru-Hardened Steel M12

Item#: 87512
Locknut with Nylon Insert 18-8 SS 3/8-16, Locknut with Nylon Insert, 18-8 Stainless Steel, Plain Finish, Coarse Thread

Locknut with Nylon Insert 18-8 SS 3/8-16

Item#: 91395
Flange Locknut Grade 8 Alloy Steel 1/2-13, Flange Locknut, Grade 8, Alloy Steel, Zinc Finish, Coarse Thread

Flange Locknut Grade 8 Alloy Steel 5/8-11

Item#: 85822
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 5/8-11

Item#: 306
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 5/16-18

Item#: FA68401
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 1/2-13

Item#: FA95681
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 1/4-20

Item#: FA68400
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 1/2-13

Item#: FA68404
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 5/16-18

Item#: FA95678
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 5/16-18

Item#: FA68401
SAE Flat Washer Thru-Hardened Steel 3/8

SAE Flat Washer Thru-Hardened Steel 3/8"

Item#: 88437
USS Flat Washer Thru-Hardened Steel 1/4

USS Flat Washer Thru-Hardened Steel 1/4"

Item#: FA88445
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
6310 M Adjustable Ice Traction Device, 6310 M Black Adjustable Ice Traction Device

6310 M Adjustable Ice Traction Device

Item#: 1285373
817WP Thermal Utility Mechanics Style Gloves, 40 Gram Thinsulate, Waterproof Liner, Black

817WP Thermal Utility Mechanics Style Gloves

Item#: SF10663
817WP Thermal Utility Mechanics Style Gloves, 40 Gram Thinsulate, Waterproof Liner, Black

817 Thermal Utility Mechanics Style Gloves

Item#: SF10660

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#: 53979
Diameter 1/4 "
Thread Pitch 20
Grade 8
Finish Yellow Zinc
Type Nylon Insert Lock Nut
Material Alloy Steel
Thickness 0.328 "
Across Flats 7/16 "
Thread Coarse
Specifications SAE J995C
Maximum Temperature 350º F
Proof 150,000 PSI
Quantity Per Package 50.0000
UNSPSC #: 31161716
TAA Compliant: No
Weight: 0.4 lb

Product Restrictions

Suggested Products

Diamond Texture Premium Nitrile Gloves, Black, 8 Mil, Large, 1,000/Case, Diamond Texture Premium Nitrile Gloves, Black

Premium Nitrile Gloves, Black, 6 Mil, Large, 100/Box

Item#: 1418068
Diamond Texture Premium Nitrile Gloves, Black, 8 Mil, Large, 1,000/Case, Diamond Texture Premium Nitrile Gloves, Black

Premium Nitrile Gloves, Black, 6 Mil, X-Large, 100/Box

Item#: 1418069
Weatherhead H280 Hydraulic Hose Rubber 0.53

Weatherhead H280 Hydraulic Hose Rubber 0.69" x 50'

Item#: 50799 06
Weatherhead H280 Hydraulic Hose Rubber 0.53

Weatherhead H280 Hydraulic Hose Rubber 1.41" x 50'

Item#: 50799 16
Weatherhead H280 Hydraulic Hose Rubber 0.53

Weatherhead H280 Hydraulic Hose Rubber 0.94" x 50'

Item#: 50799 10
Weatherhead H280 Hydraulic Hose Rubber 0.53

Weatherhead H280 Hydraulic Hose Rubber 0.81" x 50'

Item#: 50799 08
Weatherhead H280 Hydraulic Hose Rubber 0.53

Weatherhead H280 Hydraulic Hose Rubber 1.09" x 50'

Item#: 50799 12
Z Series Crimp-On Hose End 1/2

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

Item#: 16621
Hydraulic Quick Connect Coupler 1/4

Hydraulic Quick Connect Coupler 3/8" x 3/8-18

Item#: 29970
Hydraulic Quick Connect Nipple Steel 1/2

Hydraulic Quick Connect Nipple Steel 3/8" x 3/8-18

Item#: 29975

Your Recently Viewed Items