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National Stock Number:
5305-01-177-5888
Federal Supply Class:
5305
National Item Identification Number:
011775888
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:
| 5839C73H01 | 31442 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | THREAD LENGTH | 0.380 INCHES NOMINAL | | FASTENER LENGTH | 3.190 INCHES NOMINAL | | MATERIAL | STEEL COMP 630 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND | | 37.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.200 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.562 INCHES NOMINAL | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.010 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.107 INCHES MINIMUM AND | | 0.112 INCHES MAXIMUM FIRST HOLE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 31442 | | DESIGN CONTROL REFERENCE | 5839C73H01 |
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