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
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
Frequently Bought Together
DOT Swivel Elbow Male 360° Brass 1/2 x 3/8-18
Couldn't load pickup availability
DOT Swivel Branch Tee Male Brass 1/2 x 1/2 x 1/4"
Couldn't load pickup availability
Hydraulic Quick Connect Nipple Steel 1/2" x 3/4-14
Couldn't load pickup availability
USS Flat Washer Thru-Hardened Steel 1/2"
Couldn't load pickup availability
Hex Nut Grade 8 Alloy Steel 5/8-11
Couldn't load pickup availability
IFI 100/107 Top Locknut Grade C 1/2-13
Couldn't load pickup availability
Locknut with Nylon Insert Grade A 7/16-14
Couldn't load pickup availability
Locknut with Nylon Insert 316 SS 3/8-16
Couldn't load pickup availability
DIN 980V Top Locknut Grade 10 M12-1.75
Couldn't load pickup availability
IFI 100/107 Top Locknut Grade C 1/4-20
Couldn't load pickup availability
IFI 100/107 Top Locknut Grade C 5/16-18
Couldn't load pickup availability
Locknut with Nylon Insert 18-8 SS 1/4-20
Couldn't load pickup availability
Hex Cap Screw Grade 8 5/8-11 x 2"
Couldn't load pickup availability
IFI 100/107 Top Locknut Grade C 3/8-16
Couldn't load pickup availability
Hex Cap Screw Grade 8 3/8-16 x 1-1/4"
Couldn't load pickup availability
USS Flat Washer Thru-Hardened Steel 5/16"
Couldn't load pickup availability
USS Flat Washer Thru-Hardened Steel 3/8"
Couldn't load pickup availability
Hex Nut Grade 8 Alloy Steel 1/2-13
Couldn't load pickup availability
8925 L Lime Class E Thermal Pants
Couldn't load pickup availability
6435 M Base Layer Thermal Long Sleeve
Couldn't load pickup availability
6435 L Base Layer Thermal Long Sleeve
Couldn't load pickup availability
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
