The Defense Logistics Agency is seeking information from potential suppliers for the procurement of a safety relief valve. The agency is considering a solicitation and subsequent award of an indefinite quantity contract for this item. The purpose of this notice is to obtain information regarding the capability and availability of qualified businesses that are capable of executing this potential contract. The agency is asking potential suppliers to complete a market survey and return it within 5 business days. The survey includes questions about the company's size and status, its classification by the Small Business Administration, and its experience with long-term contracts. * The item being procured is a safety relief valve with the NSN 4820-01-538-6178. * The approved sources for this item are currently Northrop Gruman Systems Corporation and Brownell Ltd. * The agency is looking for potential suppliers to provide information about their ability to manufacture this item. * The agency is also seeking information about the company's experience with certified cost or pricing data and its ability to provide such data. * The survey includes questions about the company's commercial sales history and its ability to provide evidence of commercial sales and support. * The agency is looking for potential suppliers to provide any additional information that may be of assistance in building its acquisition strategy and possible solicitation development.