Approved Vendor

18-8 Stainless Steel Locknut with External-Tooth Lock Washer

Manufacturer part: 96278A112

To save on assembly time, these locknuts combine a hex nut with a free-spinning lock washer, so you can twist them into place by hand. Once the nut is against your material surface, tighten it down with a wrench or socket to get the teeth to bite. Although these nuts install more quickly than nylon-insert locknuts, they don't hold up as well against vibration and can mar your material. As long as the washer stays intact, you can reuse them. Also known as Keps and K-lock nuts.18-8 Stainless Steel—The choice for wet and outdoor environments, these locknuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.

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Technical data

Specifications

Normalized product attributes for faster comparison and sourcing.

OD
0.871"
ECCN
EAR99
Width
3/4,"
Height
7/16,"
Material
400 Series Stainless Steel
Nut Type
Hex, Locknut
Thread Fit
Unified Standard Class 2B
Drive Style
External Hex
Performance
Vibration Resistant, Corrosion Resistant
Thread Size
1/2,"-13
Thread Type
UNC
Washer Type
Tooth
Locking Type
Lock Washer
Thread Spacing
Coarse
Tooth Location
External
Hex Nut Profile
Standard
RoHS Compliance
RoHS 3 (2015/863/EU) Compliant
DFARS Compliance
Not Specialty Metals Compliant
REACH Compliance
REACH (EC 1907/2006) (06/27/2024, 241 SVHC) Compliant
Thread Direction
Right Hand
USMCA Qualifying
No
Country of Origin
China, Taiwan
Finished Material
18-8 Stainless Steel
Schedule B Number
731816.0000
System of Measurement
Inch

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