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)

SKU:53981 Item#: 53981

Kent Automotive

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_2001.jpg

DIN 9021B Fender Washer Low Carbon Steel 18mm

Item#: 98983
DV_ZoomOriginal_P_2015.jpg

Hex Flange Nut Grade 8 Steel M8-1.25

Item#: 57129
DV_ZoomOriginal_P_506_WB.jpg

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

Item#: 2539
DV_ZoomOriginal_P_31312.jpg

IFI 100/107 Top Locknut Grade C 1-8

Item#: 80936
DV_ZoomOriginal_P_452.jpg

Jam Nut with Nylon Insert Grade 2 7/16-14

Item#: 54660
DV_ZoomOriginal_P_31310.jpg

Locknut Tri-Lobular Thick Grade C 5/8-11

Item#: 53701
DV_ZoomOriginal_P_2016.jpg

Hex Flange Nut Grade 10 Steel M6-1

Item#: 59767
DV_ZoomOriginal_P_FS1152.jpg

Metric Machine Screw Nut, Stainless Steel, M6x1.0

Item#: DY10100600
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 1-8

Item#: A109
DV_ZoomOriginal_P_32671.jpg

Hex Nut Grade 8 Steel 1/4-20

Item#: FA68400
DV_ZoomOriginal_P_32671.jpg

Hex Nut Grade 8 Steel 5/16-18

Item#: FA68401
DV_ZoomOriginal_P_532_WB.jpg

DIN 6921 Hex Flange Bolt Grade 8.8 M6-1 x 20mm

Item#: 59408
DV_ZoomOriginal_I_1482003.jpg

Front Bumper Push-Type Retainer Nylon 10mm

Item#: 1482003
DV_ZoomOriginal_I_P18348.jpg

Fender Lining Screw Grommet Nylon #12

Item#: P18348
DV_ZoomOriginal_I_P13770.jpg

Phillips Truss Head Sheet Metal Screw Steel 15mm

Item#: P13770
DV_ZoomOriginal_I_SF10623.jpg

Hand Warmer Pack – 2 Per Pack

Item#: SF10623
DV_ZoomOriginal_I_1637612.jpg

Rechargeable Hand Warmer-Large

Item#: 1637612
DV_ZoomOriginal_I_1654064.jpg

N-Ferno 6997 Adhesive Body Warmers, Air Activated Heat Pad

Item#: 1654064

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

Your Recently Viewed Items