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National Stock Number:
5340-00-706-2322
Federal Supply Class:
5340
National Item Identification Number:
007062322
Description:
TORSION BAR,HINGE
Detail:
A STRAIGHT METAL ITEM OF VARIOUS CROSS-SECTIONAL SHAPES, WITH SERRATIONS, FLATS, OR THE LIKE, ON EACH END. IT IS DESIGNED TO WITHSTAND A SEVERE TWISTING ACTION ALONG ITS LONGITUDINAL AXIS WHILE HELD FAST AT BOTH ENDS. IT IS USED IN LIEU OF A HINGE PIN AND CREATES TENSION ON A HATCH(ES), DOOR(S), GATE(S), OR THE LIKE, WHEN IN A CLOSED OR OPEN POSITION. EXCLUDES TORSION BAR, SUSPENSION.
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Manufacturer Information:
| 10862949 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,ALLOY GRADE 8655 OR 6150; SPEC ASTM A304 OR ASTM A322;SHOT PEEN PER MIL-S-13165 INTENSITY 0.012 A MIN;CLEAN PER METHOD III SPEC TT-C-490; ENAMEL 2 COATS PER SPEC TT-E-496; APPLY PER MIL-SDT-130;OVER ALL LG 28.6875;OVER ALL DIA 0.500;FIRST END TOOLED TO 2.000,SPLINED TO 1.500; SECOND END TOOLED TO 1.750,SPLINED TO 1.250;MIDDLE PORTION TURNED TO 0.375 NOMINAL,PLUS 0.005,MINUS 0.000 DIA; BOTH ENDS BEVELED 45 DEG BY 0.0312 SPLINE DATA,EXTERNAL INVOLUTE SERRATIONS;NO. OF TEETH 31;DIAMETRAL PITCH 64;PRESSURE ANGLE 45 DEG;BASE CIRCLE DIAMETER 0.3425;MAX OUT OF ROUNDNESS0.0008;MAX CUMULATIVE PITCH ERROR (ANY TWO TEETH) 0.0015;MAX INVOLUTE PROFILE ERROR 0.0005;MAX LEADERROR 0.0003 |
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