Black Washers - 3/8 ID x 7/8 OD (10)

The Black Washers - 3/8 ID x 7/8 OD (10) from ARP are essential fastening components used in various tactical and military applications. These hardened steel washers are designed to distribute clamping load evenly across threaded assemblies, helping to prevent component creep and maintain zero retention during use.

Manufactured to ARP specification 200-8688, these washers feature a 3/8-inch inner diameter and a 7/8-inch outer diameter. The black oxide finish provides resistance against corrosion in harsh environments, making them suitable for prolonged storage and use in various conditions.

Law enforcement, military armorers, and precision rifle builders can benefit from the reliability of ARP washers for assembly and maintenance tasks. The 10-pack configuration ensures that users have a sufficient supply for both initial builds and replacements during field operations.