The government proposes to procure chemical-biological masks under NSN 4240017257023, with line item quantity 40 EA from approved source 15927 (part 201581-12). Delivery is to DLA Distribution San Joaquin and is required within 70 days after date of order. The solicitation is an RFQ available through the provided link; hard copies and specifications, plans, or drawings are not available. All responsible sources may submit a quote, and quotes must be submitted electronically.