5360-00-291-7924 SPRING,HELICAL,COMPRESSION Index 5310-00-291-7937 WASHER,FLAT

National Stock Number:
5510-00-291-7929

Federal Supply Class:
5510

National Item Identification Number:
002917929

Description:
CROSSARM,WOOD

Detail:
A RECTANGULAR SHAPED PIECE OF WOOD, USED ON POLES TO SUPPORT WIRES AND/OR CABLES OF TRANSMISSION LINES.


Manufacturer Information:
A-A-5820758536FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MIL-C-1243681349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MEASURING METHOD AND LENGTH8.000 FEET NOMINAL SPECIFIED
MOISTURE CONTENT RETENTION PERCENTAGE22.0 MAXIMUM
PRESERVATIVE SOLUTION TYPEAMMONIACAL COPPER ARSENITE OR CHROMATED COPPER ARSENATE, TYPE I, II OR III OR COAL-TAR CREOSOTE
SERVICE USAGEUTILITY
SPECIAL FEATURESHORIZONTAL BORED BRACKE BOLT HOLES
SPECIES-GRADE AND GRADING ASSOCIATIONPINE, SOUTHERN STANDARD UNRECOGNIZED OR DOUGLAS FIR STANDARD UNRECOGNIZED
TYPICAL WOOD PRODUCTS USELINE CONSTRUCTION POLES
SUPPLEMENTARY FEATURESFOR REA DISTRIBUTION ARMS,UNIT OF ISSUE EA
SURFACE CONDITION DEGREESURFACED FOUR SIDES
THICKNESS-LOCATION AND MEASURING METHOD3.250 INCHES NOMINAL OVERALL SPECIFIED
TREATMENT TYPEPRESERVATIVE, TT-W-571


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