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National Stock Number:
5440-01-323-9185
Federal Supply Class:
5440
National Item Identification Number:
013239185
Description:
LADDER,EXTENSION
Detail:
A LADDER CONSISTING OF TWO OR MORE LADDERS JOINED NEAR THE ENDS OF THE PARALLEL SIDES BY LOCKING AND GUIDE DEVICES TO FORM A SINGLE UNIT. IT IS ADJUSTABLE TO VARYING LENGTHS AND REQUIRES A MEANS OF SUPPORT.
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Manufacturer Information:
| 77C724271G2 | 03538 | LOCKHEED MARTIN CORPORATION | | WE0628 W/E15 | 01252 | EMERSON ELECTRIC CO LOUISVILLE LADDER DIV | | WE0628 W/E15 | 667R1 | LOUISVILLE LADDER INC |
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Techincal Specification:
| FUNCTIONAL DESCRIPTION | REQUIREMENT EXISTS AT THE REMOTE RADAR HEAD (RRH) SITE DURING THE REMOVE AND REPLACE TASKS FOR THE BEACON ANTENNA,AN EXTENSION LADDER EQUIPPED WITH LADDER HOOKS IS REQUIRED TO EXTEND FROM RRH SERVICE LIFT (AT UPPER LIMITS) TO RADOME ZENITH AND BEYOND,THE LADDER HOOKS MUST ENGAGE THE HATCH/VENTILATOR LADDER SUPPORT BAR WHEN THE HATCH IS IN THE CLOSED POSITION; WHEN THE HATCH/VENTLATOR IS OPEN THE LADDER MUST EXTEND THROUGH THE HATCH OPENING | | LENGTH | 28.000 FEET NOMINAL | | MATERIAL | WOOD | | SECTION QUANTITY | 2 | | SUPPLEMENTARY FEATURES | THE LADDER MUST BE A LAMINATED 28 FT WOOD EXTENSION TYPE,BE DUTY RATEDFOR 300 LBS AND FOLD AWAY MODIFIED LADDER HOOKS THAT WILL FIT THE 1 1/4 INCH DIA. HATCH/VENTILATOR LADDER BAR |
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