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Flat washers feature a hole in the center matching the bolt they're used with. Locking washers, equipped with recessed features, prevent loosening. Some types include split lock washers, which use compression to prevent loosening; wave washers with a wavy surface for grip; and spring washers, which absorb vibration and shock. SAE/USS washers are designed for SAE (US) or USS (UK and others) fasteners. Finally, machine screw washers pair with machine screws to fasten metal pieces together.
Item # |
Item Name |
Brand |
Measurement |
Material |
Inside Diameter |
Outside Diameter |
|---|---|---|---|---|---|---|
| A362-844 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A | N/A 0.25 | N/A 0.815 |
| A362-845 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A | N/A 0.253 | N/A 0.814 |
| A361-769 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Nylon | N/A 0.625 | N/A 0.812 |
| A361-842 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Nylon | N/A 0.625 | N/A 0.812 |
| A361-841 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Nylon | N/A 0.625 | N/A 0.812 |
| A385-157 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Neoprene | N/A 0.355 | N/A 0.812 |
| A361-768 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Nylon | N/A 0.625 | N/A 0.812 |
| A362-850 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A | N/A 0.38 | N/A 0.812 |
| A362-849 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A | N/A 0.372 | N/A 0.753 |
| A378-231-2 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Brass | N/A 2-Jan | N/A 3/4 |
| A378-231-16 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Brass | N/A 2-Jan | N/A 3/4 |
| A694-15-6 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Stainless | N/A 2-Jan | N/A 3/4 |
| A694-15-5 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Stainless | N/A 2-Jan | N/A 3/4 |
| A694-15-4 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Stainless | N/A 2-Jan | N/A 3/4 |
| A694-15-3 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Stainless | N/A 2-Jan | N/A 3/4 |
| A378-231-10 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Brass | N/A 2-Jan | N/A 3/4 |
| A378-231-20 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Brass | N/A 2-Jan | N/A 3/4 |
| A694-15-2 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Stainless | N/A 2-Jan | N/A 3/4 |
| A379-304-32 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Aluminum | N/A 2-Jan | N/A 3/4 |
| A378-231-25 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Brass | N/A 2-Jan | N/A 3/4 |
| A379-304-5 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Aluminum | N/A 2-Jan | N/A 3/4 |
| A378-231-125 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Brass | N/A 2-Jan | N/A 3/4 |
| A378-231-5 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Brass | N/A 2-Jan | N/A 3/4 |
| A378-231-45 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Brass | N/A 2-Jan | N/A 3/4 |
| A378-231-32 | N/A Washers - Flat, Locking, SAE/USS, Machine Screw and More | N/A Seastrom | N/A Unified | N/A Brass | N/A 2-Jan | N/A 3/4 |
