Five (5) 230 liter pressurized Liquid Nitrogen Dewars

NASA Shared Services Center seeks five 230-liter pressurized liquid nitrogen dewars for delivery by June 9, 2026, under a total small business set-aside RFQ. This is a Brand Name or Equal To procurement.

Place of performance is the NASA facility at Stennis Space Center. The dewars must be constructed of high-quality stainless steel with a dent-resistant outer shell, vacuum-jacketed inner vessel, round-bottom base with load-bearing casters, and a large-diameter handling ring secured with a minimum of four structural supports. All fixtures, seals, and connections must be rated for nitrogen gas and liquid nitrogen use. Required instrumentation includes a Pressure Builder Valve/Regulator, Liquid Valve & Port, Gas Use Valve, Pressure Gauge, Liquid Level Gauge, Vent Valve, Pressure Relief Valve calibrated to prevent over-pressurization, Rupture Disk as secondary fail-safe backup, and an insulated, vacuum-jacketed transfer hose rated for safe cryogenic liquid transfer. Units must be defect-free and comply with national pressure vessel and cryogenic safety standards. The NAICS code is 332420, Metal Tank (Heavy Gauge) Manufacturing; PSC is 6695, Combination And Miscellaneous Instruments. Award is on a lowest price technically acceptable (LPTA) basis to a responsible offeror. Quotes must be submitted by June 9, 2026, at 3:00 p.m. Central Time to Kacey Hickman at Kacey.l.hickman@nasa.gov; written technical and contractual questions are due June 5, 2026, at 3:00 p.m. CT. Offerors must be registered in SAM.gov. The contract uses firm fixed-price terms with FOB Destination delivery. Quote validity is 30 days unless otherwise stated.