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National Stock Number:
5510-01-132-4879
Federal Supply Class:
5510
National Item Identification Number:
011324879
Description:
BLOCK,FLOOR,WOOD
Detail:
A BLOCK WITH THE OPPOSITE FACES GENERALLY PARALLEL USED IN THE CONSTRUCTION OF BLOCK FLOORS. IT MAY BE A SINGLE-PIECE BLOCK, OR A FABRICATED BLOCK MADE OF TWO OR MORE PIECES OF WOOD SECURELY JOINED TOGETHER. IN EITHER FORM, THE VERTICAL FACES, OR SIDES, OF THE BLOCK ARE USUALLY MILLED FOR JOINING TO OTHER BLOCKS, GENERALLY WITH TONGUE AND GROOVE OR WITH GROOVES FOR SPLINES. IT IS SO MILLED THAT THE GRAIN OF THE WOOD RUNS HORIZONTALLY OR IN A DIRECTION PERPENDICULAR TO THE TOP SURFACE OF THE BLOCK.
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Manufacturer Information:
| 10876324 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| DEFECT FREE CHARACTERISTICS | CHECKS-SPLITS-SHAKES AND DECAY AND INSECT DAMAGE | | MEASURING METHOD AND LENGTH | 4.250 INCHES NOMINAL SPECIFIED AND 4.000 INCHES NOMINAL SPECIFIED OVERALL | | MOISTURE CONTENT RETENTION PERCENTAGE | 22.0 MAXIMUM | | SPECIAL FEATURES | TREATED PER FED SPEC TT-W-572,OLIVE DRAB ENAMEL COATING PER FED SPEC TT-E-529,0.562 IN. RADIUS HOLE CENTERED ON W,TWO CORNERS CHAMFERED 45 DEG ANGLE BY 0.375 IN. DEEP,WOOD PER MIL-W-3912 CLASS A | | SPECIES-GRADE AND GRADING ASSOCIATION | ASH, WHITE UNGRADED UNRECOGNIZED OR HARDWOOD UNGRADED UNRECOGNIZED OR OAK, RED UNGRADED UNRECOGNIZED OR OAK, WHITE UNGRADED UNRECOGNIZED | | THICKNESS-LOCATION AND MEASURING METHOD | 3.375 INCHES NOMINAL OVERALL SPECIFIED | | TYPICAL WOOD PRODUCTS USE | HARDWOOD FLOORING |
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