Specification Brand : BEST VALUE VACS BulletPoint1 : Manufactured from inert polymers BulletPoint2 : 1/4-28 flat-bottom port BulletPoint3 : 2.9 µL swept volume BulletPoint4 : Natural PEEK body BulletPoint5 : Assembly includes SS nut and washer ExteriorFinish1 : Stainless Steel ExteriorFinish2 : Nickel ExteriorFinish3 : Brass ItemName : BVV Leak Free lid Bulkhead with o-Ring Washer and Lock nut ItemTypeKeyword : compression-bulkhead-fittings Manufacturer : BEST VALUE VACS Material1 : Stainless Steel Material2 : Alloy Steel Material3 : Nylon Material4 : Brass ModelNumber : BH-ASM NumberOfItems : 1 PartNumber : BH-ASM ProductDescription : This bulkhead has a 1/4" FNPT threaded adapter and a 5/16-18 threaded screw adapter and is made out of nickel plated brass and comes with a buna-n O-ring, stainless steel washer, and nylon locknut. ProductSiteLaunchDate : 2018-04-30T17:40:45.470Z Size : One Size UnitCount : 1 UnspscCode : 52140000