NATO Stock Number
5510-00-551-9877
Sold in multiples of
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 western wood products association or douglas-fir, coastal no. 1 structural west coast lumber inspection bureau or douglas-fir, south, interior no. 1 western wood products association or douglas-fir, south, interior 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, southern no. 1 sr timbers southern pine inspection bureau
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
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
Unit of issue-bf
Specification Data
81348-mm-l-751 government specification
Nondefinitive Specification/std Data
Iii table