Home Fasteners Nuts Lock Nuts Locknut with Nylon Insert Grade 8 5/16-18
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, 0.359" Thickness, 1/2" Across Flats, 5/16-18", Alloy Steel, Yellow Zinc Finish
(Pack of 50)

Item#: 53980

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

DOT Connector Male Brass 3/8 x 3/8-18, DOT Air Brake Push to Connect Connector, Male, Brass, 3/8 x 3/8-18, Tube x Pipe

DOT Connector Male Brass 3/16 x 1/8-27

Item#: 28966
DOT Connector Female Brass 3/8 x 1/8-27, DOT Air Brake Push to Connect Connector, Female, Brass, 3/8 x 1/8-27, Tube x Pipe

DOT Connector Female Brass 3/8 x 1/8-27

Item#: 28968
Premium Greasing Accessory 11 Piece Kit with Case , 1/8

Premium Greasing Accessory 11 Piece Kit

Item#: 1677924
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 5/8-11

Item#: FA95683
Lock Washer Yellow Zinc, Lock Washer, DIN 127-B, Yellow Zinc Finish, Steel, M18

Lock Washer Alloy Steel 3/8"

Item#: FA530A
USS Flat Washer Thru-Hardened Steel 1/2

USS Flat Washer Thru-Hardened Steel 1/2"

Item#: FA88449
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 3/4-10

Item#: 307
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 3/4-10

Item#: 85824
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 1/2-13

Item#: 91396
Hex Cap Screw Property Class 10.9 M22 x 2.5, DIN 934 Hex Cap Screw, Property Class 10.9, Alloy Steel, Zinc Finish

Hex Nut Grade 10 Alloy Steel M8-1.25

Item#: 83526
Hex Nut Grade 8 Steel M5-0.8, DIN 934 Hex Nut, Grade 8, Steel, Zinc Finish, Coarse Thread, 8mm Across Flats, 4mm Thickness

Hex Nut Grade 8 Steel M5-0.8

Item#: 4301
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 7/16-14

Item#: FA68403
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 3/4-10

Item#: 53986
Hex Cap Screw Grade 5 3/8-16 x 1

Hex Cap Screw Grade 5 3/8-16 x 1"

Item#: FA65032
Self-Drilling Screw Hex Head #6-20 x 1/2

Self-Drilling Screw Hex Head #10-16 x 1"

Item#: 84932
Autobahn Ergo Magna EZ Crimper Ratcheting Terminal Crimper

Autobahn Ergo Magna EZ Crimper Ratcheting Terminal Crimper

Item#: DY89310247
Lock Washer Alloy Steel 1/2

Lock Washer Alloy Steel 3/8"

Item#: A530
Utility Knife, Folding , 4

Utility Knife, Folding , 4" Closed

Item#: FA5474
18 V Lithium-Ion Battery Charger, Single Charge

18 V Lithium-Ion Battery Charger

Item#: 1638986
Battery Doc® Sport Charger 1.25A 12V 12' Cord, Battery Doc® Sport Charger, 1.25 Amps, 12 Volts, 12' Cord, 3-Stage

Battery Doc® Sport Charger 1.25A 12V 12' Cord

Item#: 1367498

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#: 53980
Diameter 5/16 "
Thread Pitch 18
Grade 8
Finish Yellow Zinc
Type Nylon Insert Lock Nut
Material Alloy Steel
Thickness 0.359 "
Across Flats 1/2 "
Thread Coarse
Specifications SAE J995C
Maximum Temperature 350º F
Proof 150,000 PSI
Quantity Per Package 50.0000
UNSPSC #: 31161716
TAA Compliant: Yes
Weight: 0.65 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 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