NATO Stock Number
5510-00-550-6845
Sold in multiples of
1 BF
DEMIL
NO
Treatment Type
Preservative, tt-w-571
Preservative Solution Type
Ammoniacal copper arsenite or chromated copper arsenate, type i, ii or iii or coal-tar creosote or creosote coal-tar solution or creosote petroleum solution or pentachlorophenol in heavy petroleum solvent
Species-grade And Grading Association
Douglas-fir, coastal no. 1 structural west coast lumber inspection bureau or douglas-fir, coastal no. 1 western wood products association or hemlock, western no. 1 structural west coast lumber inspection bureau or hemlock, western no. 1 western wood products association or larch no. 1 western wood products association or pine, southern no. 1 sr timbers southern pine inspection bureau
Random Length
10 ft and longer with a max of 10 pct to be 10 ft long and a min of 50 pct to e 14 ft and longer
Width-location And Measuring Method
12.000 inches specified
Measuring Method And Length
10.000 feet random
Surface Condition Degree
Rough-unsanded full length
Thickness-location And Measuring Method
8.000 inches specified
Typical Wood Products Use
Preservative treated beams, stringers, posts, timbers, columns and struts where creosote or oil-borne preservatives are required for use in fresh water ground contact
Service Usage
Timbers and important structural members in contact with ground or fresh water
Supplementary Features
Tt-w-571, table 1; unit of issue bf
Specification Data
81348-mm-l-751 government specification
Nondefinitive Specification/std Data
3 table