Home Fasteners Nuts Lock Nuts SAE J995C Locknut with Nylon Insert Grade 8 3/8-16
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, 0.469" Thickness, 9/16" Across Flats, 3/8-16", Alloy Steel, Yellow Zinc Finish
(Pack of 50)

Item#: 53981

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

California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov

Catalog page#: 3-28

Frequently Bought Together

DOT Swivel Branch Tee Male Brass 3/8 x 3/8 x 3/8

DOT Swivel Branch Tee Male Brass 1/2 x 1/2 x 1/4"

Item#: 28986
Hydraulic Quick Connect Nipple Steel 1/2

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

Item#: 29977
DOT Branch Tee Male Brass 1/4 x 1/4 x 1/8-27, DOT Air Brake Push to Connect Branch Tee, Male, Brass, 1/4 x 1/4 x 1/8-27

DOT Branch Tee Male Brass 3/8 x 3/8 x 3/8-18

Item#: 28990
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 5/8-11

Item#: A106
USS Flat Washer Thru-Hardened Steel 7/8

USS Flat Washer Thru-Hardened Steel 1/2"

Item#: 88449
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 1/2-13

Item#: 80931
DIN 980V Top Locknut Grade 10 M24-3, DIN 980V Top Locknut, Grade 10, Alloy Steel, Zinc Finish, Coarse Thread

DIN 980V Top Locknut Grade 10 M12-1.75

Item#: 87502
Locknut with Nylon Insert 316 SS 1/2-13, Locknut with Nylon Insert, 316 Stainless Steel, Plain Finish, Coarse Thread

Locknut with Nylon Insert 316 SS 3/8-16

Item#: 1148499
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 1-8

Item#: 80936
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 1/4-20

Item#: 91393
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 1/2-13

Item#: 305
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 7/16-14

Item#: A103
Hex Cap Screw Grade 8, Hex Cap Screw, Grade 8, Alloy Steel, Yellow Zinc Finish, 1/4-28 x 7

Hex Cap Screw Grade 8 3/8-16 x 1-1/4"

Item#: FA68033
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
Hex Cap Screw Grade 8, Hex Cap Screw, Grade 8, Alloy Steel, Yellow Zinc Finish, 1/4-28 x 7

Hex Cap Screw Grade 8 1/2-13 x 1-1/2"

Item#: FA68062
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
SAE Flat Washer Thru-Hardened Steel 5/8

SAE Flat Washer Thru-Hardened Steel 5/8"

Item#: 88441
Interchangeable Hex Bit Set 20Pc Torx, 20 Pc, Interchangeable Torx Quick Release Hex Bit Set

Interchangeable Hex Bit Set 20Pc Torx

Item#: DY89310522
817WP Thermal Utility Mechanics Style Gloves, 40 Gram Thinsulate, Waterproof Liner, Black

817WP Thermal Utility Mechanics Style Gloves

Item#: SF10664
925WP L Performance Dorsal Impact-Reducing + Thermal WP Gloves, 925WP Performance Dorsal Impact-Reducing Thermal Gloves

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

Item#: 1284806
925WP L Performance Dorsal Impact-Reducing + Thermal WP Gloves, 925WP Performance Dorsal Impact-Reducing Thermal Gloves

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

Item#: 1285646

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#: 53981
Diameter 3/8 "
Thread Pitch 16
Grade 8
Finish Yellow Zinc
Type Nylon Insert Lock Nut
Material Alloy Steel
Thickness 0.469 "
Across Flats 9/16 "
Thread Coarse
Specifications SAE J995C
Maximum Temperature 350º F
Proof 150,000 PSI
Quantity Per Package 50.0000
UNSPSC #: 31161716
TAA Compliant: No
Weight: 0.9 lb

Product Restrictions

California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov

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 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
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