The procurement is for two units of a safety relief valve, with the approved source identified as 15187 20154C01S1661. Delivery is required to DLA Distribution San Joaquin within 467 days after order. The solicitation is a request for quote (RFQ) available only electronically; hard copies and technical drawings are not provided. All responsible sources are invited to submit quotes, which must be sent electronically. No budget amount is specified.