The government seeks a check valve under NSN 4820006147970, quantity 53 EA. Delivery is to W1A8 DLA DISTRIBUTION and required 143 days after date of order (ADO). This is an RFQ available via the link in the notice, and hard copies will not be provided. Digitized drawings and military specifications/standards may be retrieved or ordered electronically. Quotes must be submitted electronically and will be considered if timely received.