Obturating Rings (60MM, 81MM, & 120MM)

Army Contracting Command - Rock Island (ACC-RI) has a requirement to purchase Obturating Rings (O-Rings) for Pine Bluff Arsenal (PBA). ACC-RI expects a one-time purchase order with a 100% option quantity.O-Rings needed for 60MM, 81MM, and 120MM, quantities respectively of 5,500 units, 23,000 units, and 62,000 units.

Please provide any questions to the POCs below prior to 11:00 on Friday, 8 Nov 2024 to allow us time to research and provide any answers to all interested parties.

Obturating Rings (60MM), IAW Drawing 13005177 Revison G, dated March 6, 2014. Purchased for the M930, M983 & M929.

Obturating Rings (81MM), IAW Drawing 9310339 Revision AB, dated 24 July 2020. Purchased for the M819.

Obturating Rings (120MM), IAW Drawing 12977454 Revision K, dated 10 August 2016. Purchased for the M930, M983 & M929.

Obturating Rings (60MM), IAW Drawing 13005177 Revison G, dated March 6, 2014. Purchased for the M930, M983 & M929.

Obturating Rings (81MM), IAW Drawing 9310339 Revision AB, dated 24 July 2020. Purchased for the M819.

Obturating Rings (120MM), IAW Drawing 12977454 Revision K, dated 10 August 2016. Purchased for the M930, M983 & M929.