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
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
TYPICAL WOOD PRODUCTS USELINE CONSTRUCTION POLES


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