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Approved Vendor
Steel Split Lock Washer
Manufacturer part: 91190A550
Stop socket head screws from loosening due to mild vibration. These washers have a small diameter to fit under screws with narrow heads, but are still thick enough to keep fasteners secure. While they're not as vibration resistant as other lock washers, they are a great fit for electrical panels, light fixtures, and other light duty assemblies. Split lock washers are not reusable, and they only work with fasteners that have right-hand threads. Also known as high-collar lock washers. Black-Oxide Steel—Typically chosen for their appearance, these washers have a dark, matte coating that creates a finished look. They offer minimal corrosion resistance, so they're best for dry environments.
- Availability
- In stock
- Lead time
- Contact supplier
- Sold by
- Approved Vendor
Technical data
Specifications
Normalized product attributes for faster comparison and sourcing.
- ID
- 8.5 mm
- OD
- 12.7 mm
- ECCN
- EAR99
- Finish
- Black Oxide
- Hardness
- Rockwell C44
- Material
- Steel
- Thickness
- 1.9 mm to 2.1 mm
- Washer Type
- Split
- For Use With
- Socket Head Screws
- For Screw Size
- M8
- RoHS Compliance
- RoHS 3 (2015/863/EU) Compliant
- DFARS Compliance
- Specialty Metals COTS-Exempt
- REACH Compliance
- REACH (EC 1907/2006) (06/27/2024, 241 SVHC) Compliant
- USMCA Qualifying
- No
- Country of Origin
- Belgium, China, France, Germany, India, Indonesia, Italy, Japan, Malaysia, Philippines, Poland, South Korea, Switzerland, Taiwan, Thailand, Vietnam
- Schedule B Number
- 731821.0000
- Specifications Met
- DIN 7980
- System of Measurement
- Metric
Supplier coverage
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| Supplier | Supplier SKU | Price | Stock | Lead time | Type |
|---|---|---|---|---|---|
| Approved Vendor | 91190A550 | $6.05 USD | Contact supplier | Contact supplier | Authorized · US distributor |
Prices and availability are provided by suppliers and may change.