The government seeks a valve seat, NSN 4820015167697, quantity 1 EA, with approved sources 90099 4D08637-001 and 90099 6509E59FN16. Delivery is to W1A8 DLA Distribution within 427 days after date of order. The solicitation is an RFQ available via the provided link; hard copies, specifications, plans, and drawings are not available. All responsible sources may submit a quote, which if timely received will be considered, and quotes must be submitted electronically.