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National Stock Number:
3815-00-618-8100
Federal Supply Class:
3815
National Item Identification Number:
006188100
Description:
BOOM,CRANE
Detail:
A METAL STRUCTURE, BUILT AS A SINGLE UNIT HAVING A FIXED LENGTH OR COMPOSED OF TWO OR MORE UNITS ADJUSTABLE TO VARIOUS LENGTHS, DESIGNED FOR ATTACHING TO A CRANE OR CRANE-SHOVEL BASIC UNIT, THE TOP BEING FITTED WITH ONE OR MORE SHEAVES THROUGH WHICH WIRE ROPES ARE PASSED TO RAISE OR LOWER A HOOK, VARIOUS TYPES OF BUCKETS, GRAPPLES OR OTHER ATTACHMENTS IN CONJUNCTION WITH THE CRANE OR CRANE-SHOVEL BASIC UNIT WHEN USED IN EXCAVATION OR MATERIAL HANDLING OPERATIONS.
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