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National Stock Number:
5305-01-388-9114
Federal Supply Class:
5305
National Item Identification Number:
013889114
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| DAA3523D056-001 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.600 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.400 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | | SPECIAL FEATURES | UNTHREADED 0.200 IN. FROM END | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
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