Features and Characteristics
Treatment Type
Preservative, tt-w-571
Preservative Solution Type
Acid copper chromate or ammoniacal copper arsenite or chromated copper arsenate, type i, ii oror coal-tar creosote or creosote coal-tar solution or creosote petroleum solution or pentachlorophenol in heavy petroleum solvent or pentachlorophenol in light petroleum solvent or pentachlorophenol in volatile solvent
Species-grade And Grading Association
Douglas-fir, coastal no. 1 western wood products association or douglas-fir, coastal no. 1 structural west coast lumber inspection bureau or hemlock, western no. 1 western wood products association or hemlock, western no. 1 structural west coast lumber inspection bureau or larch no. 1 western wood products association or pine, eastern white no. 1 northeastern lumber manufacturers association or pine, eastern white no. 1 northern hardwood and pine manufacturers association or pine, idaho white no. 1 western wood products association or pine, jack no. 1 northeastern lumber manufacturers association or pine, jack no. 1 northern hardwood and pine manufacturers association or pine, lodgepole no. 1 western wood products association or pine, ponderosa no. 1 western wood products association or pine, norway no. 1 northeastern lumber manufacturers association or pine, norway no. 1 northern hardwood and pine manufacturers association or pine, southern no. 1 sr timbers southern pine inspection bureau or pine, sugar no. 1 western wood products association or redwood no. 1 structural redwood inspection service
Random Length
10 feet and longer, permitting 10 pct 10 feet and requiring 50 pct 14 feet or longer
Width-location And Measuring Method
8.000 inches specified
Measuring Method And Length
10.000 feet random
Surface Condition Degree
Rough-unsanded full length
Thickness-location And Measuring Method
6.000 inches specified
Typical Wood Products Use
Preservative treated beams, stringers, posts, timbers, columns and struts for above ground use
Service Usage
Timbers and for use above ground
Supplementary Features
Specify type preservative desired. Unit of issue-bf
Specification Data
81346-mm-l-751 government specification
Nondefinitive Specification/std Data
Iii table
FSC
5510 Lumber And Related Basic Wood Materials
NSN: 5510-00-551-9866
