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National Stock Number:
3950-01-386-3422
Federal Supply Class:
3950
National Item Identification Number:
013863422
Description:
BOOM,HOIST SUPPORT
Detail:
A LONG SPAR, BEAM OR A-FRAME STRUCTURE, TO SUPPORT A HOIST.
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Manufacturer Information:
| 6817290 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6817290 ASSY 96 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | ITEM IS AN ADJUSTABLE BRACE BETWEEN THE FORWARD BOOM AND THE DIHEDRAL; O/A LG AT MIDDLE OF ADJUSTMENT IS 72IN.; ITEM IS MADE FROM TWO PIECES OF 4"X4"X0.25" ALUMINUM ALLOY 5456-H111 STRUCTURAL TUBE ATTACHED BY A 2"-4 ACME MONEL SCREW AND MONEL THREADED INSERTS BOLTED TO THE INSIDE OF THE TUBES; SCREW IS TURNED BY 0.75" DIA MONEL BAR THRU ITS CENTER TO ADJUST OVERALL LENGTH; TOP END OF ADJUSTABLE BRACE HAS A CLEVIS OF ALUMINUM ALLOY WITH A 1" DIA HOLE FOR ATTACHMENT TO A PAD ON THE FORWARD BOOM BY A 1" DIA, 3" LONG CRES QUICK RELEASE IN; BOTTOM END OF THE BRACE HAS A 1.375" THICK PAD OF ALLUMINUM ALLOY WITH A 1" DIA HOLE FOR ATTACHMENT TO AN INTERLOCK BY A 1" DIA, 3.125" LONG CRES QUICK RELEASE PIN; THE INTERLOCK FITS INTO AN INTERLOCK RECEIVER ON THE TOP SIDE OF THE DIHEDRAL | | SPECIAL FEATURES | FOR 6-INCH EXTERNAL COUNTERMEASURE-LIFTING AND HANDLING FIXTURE |
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