Locknut with Nylon Insert, Grade 8, Alloy Steel, Yellow Zinc Finish, Coarse Thread, 0.328" Thickness, 7/16" Across Flats, 1/4-20
(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_6168_WB.jpg

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

Item#: 16627
DV_ZoomOriginal_P_10021.jpg

DOT Swivel Branch Tee Male Brass 1/4 x 1/4 x 1/8"

Item#: 27215
DV_ZoomOriginal_P_10029.jpg

DOT Swivel Elbow Male 360° Brass 1/4 x 3/8-18

Item#: 27203
DV_ZoomOriginal_I_FA88437.jpg

SAE Flat Washer Thru-Hardened Steel 3/8"

Item#: FA88437
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 5/16-18

Item#: A101
DV_ZoomOriginal_I_FA88441.jpg

SAE Flat Washer Thru-Hardened Steel 5/8"

Item#: FA88441
DV_ZoomOriginal_P_FS1004.jpg

Locknut with Nylon Insert 316 SS 1/4-20

Item#: 1148492
DV_ZoomOriginal_P_33479.jpg

SAE J995C Locknut with Nylon Insert Grade 8 1-8

Item#: 53988
DV_ZoomOriginal_P_2041.jpg

DIN 985 Locknut with Nylon Insert Grade 8 M12-1.75

Item#: 82271
DV_ZoomOriginal_P_32671.jpg

Hex Nut Grade 8 Steel 3/4-10

Item#: FA68407
DV_ZoomOriginal_P_31312.jpg

Top Locknut Grade C 3/4-10

Item#: 80934
DV_ZoomOriginal_P_33479.jpg

Locknut with Nylon Insert Grade 8 7/16-14

Item#: 53982
DV_ZoomOriginal_P_30579_WB.jpg

Hex Cap Screw Grade 8 1/4-20 x 1"

Item#: FA68002
DV_ZoomOriginal_P_32671.jpg

Hex Nut Grade 8 Steel 1/4-20

Item#: FA68400
DV_ZoomOriginal_P_506_WB.jpg

Self-Drilling Screw Hex Head 1/4-14 x 3/4"

Item#: 2538
DV_ZoomOriginal_P_33479.jpg

Locknut with Nylon Insert Grade 8 5/16-18

Item#: 53980
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 1/4-20

Item#: A100
DV_ZoomOriginal_I_94727_WB.jpg

Superbutt Connector 22 to 18 AWG Red

Item#: 94727
DV_ZoomOriginal_P_SF1230.jpg

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

Item#: 1285775
DV_ZoomOriginal_P_38605.jpg

817 Thermal Utility Mechanics Style Gloves

Item#: SF10658
DV_ZoomOriginal_P_38605.jpg

817WP Thermal Utility Mechanics Style Gloves

Item#: SF10662

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
Size 1/4-20
Specifications SAE J995C
Maximum Temperature 350º F
Proof 150,000 PSI
UNSPSC #: 31161716
TAA Compliant: Yes
Weight: 0.4 lb

Product Restrictions

Your Recently Viewed Items