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National Stock Number:
5306-00-051-8838
Federal Supply Class:
5306
National Item Identification Number:
000518838
Description:
BOLT,MACHINE
Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
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Manufacturer Information:
| 10915715 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 5306000518838 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 5306000518838 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 1.380 INCHES NOMINAL | | MATERIAL | STEEL COMP 1015 OR | | STEEL COMP 1025 AND | | CADMIUM OVERALL | | THREAD LENGTH | 0.380 INCHES MINIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL | | HEAD HEIGHT | 0.190 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL | | LOCKING FEATURE | PELLET THREADS | | FEATURES PROVIDED | UNFINISHED HEAD | | SPECIAL FEATURES | UNDERCUT 0.200 IN. DIA BY 0.050 IN. MAX W BETWEEN THD AND UNTHREADED PORTIONS OF SHANK |
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