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)

SKU:53979 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

Frequently Bought Together

DV_ZoomOriginal_P_35253_WB.jpg

Weatherhead H280 Hydraulic Hose Rubber 0.81" x 50'

Item#: 50799 08
DV_ZoomOriginal_P_35253_WB.jpg

Weatherhead H280 Hydraulic Hose Rubber 1.09" x 50'

Item#: 50799 12
DV_ZoomOriginal_P_6168_WB.jpg

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

Item#: 16616
DV_ZoomOriginal_P_33479.jpg

SAE J995C Locknut with Nylon Insert Grade 8 3/8-16

Item#: 53981
DV_ZoomOriginal_I_FA88445.jpg

USS Flat Washer Thru-Hardened Steel 1/4"

Item#: FA88445
DV_ZoomOriginal_P_31312.jpg

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

Item#: 80933
DV_ZoomOriginal_P_33479.jpg

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

Item#: 53985
DV_ZoomOriginal_P_31312.jpg

IFI 100/107 Top Locknut Grade C 1/2-13

Item#: 80931
DV_ZoomOriginal_P_31312.jpg

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

Item#: 80929
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 3/8-16

Item#: A102
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 1/4-20

Item#: A100
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 1/2-13

Item#: A104
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 3/8-16

Item#: A102
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 1/4-20

Item#: A100
DV_ZoomOriginal_P_506_WB.jpg

Self-Drilling Screw Hex Head 1/4-14 x 1"

Item#: 2539
DV_ZoomOriginal_I_1368140_WB.jpg

Butt Connector 22 to 18 AWG Clear

Item#: 1368140
DV_ZoomOriginal_I_1509224.jpg

High Solids Paints Gloss Black

Item#: 1509224
DV_ZoomOriginal_P_31307.jpg

USS Flat Washer Thru-Hardened Steel 1/4"

Item#: 88445
DV_ZoomOriginal_P_38603.jpg

N9690FC Ninja Ice Coated Gloves

Item#: SF13084
DV_ZoomOriginal_P_38603.jpg

N9690FC Ninja Ice Coated Gloves

Item#: SF13085
DV_ZoomOriginal_I_1540143.jpg

N9690 Ninja Ice Dipped Gloves

Item#: 1540143

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

Your Recently Viewed Items