Mil Std 271f Performance Verification Reference Test Block.

MIL STD 271F PERFORMANCE VERIFICATION REFERENCE TEST BLOCK.Dimensions: L X W XT (6.0” X 4.0” X 3/8“).Description: Performance Verification Reference Test Block per MIL STD 271F Performance Verification Reference Test Block per MIL STD 271F The Performance Verification Reference Block complies with Paragraph 7.4.2 of MILSTD-271F. Block has four EDM notches as well as a simulated butt weld.Geometry: 4.0" broad by 6.0" long by 3/8" thick.Material : Carbon steel ,Stainless Steel,Titanium,Aluminum,Alloy Steel,Cupro Nickel,Inconel etc.