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National Stock Number:
5305-00-449-2475
Federal Supply Class:
5305
National Item Identification Number:
004492475
Description:
SETSCREW
Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.
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Manufacturer Information:
| 53D250207-11 | 76301 | THE BOEING COMPANY | | 7470-0281 | 18014 | AEROSPACE AMERICA INC |
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Techincal Specification:
| FASTENER LENGTH | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL | | HEAD DIAMETER | 0.457 INCHES MINIMUM AND 0.468 INCHES MAXIMUM | | HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | POINT LENGTH | 0.090 INCHES NOMINAL | | POINT STYLE | FLAT | | SPECIAL FEATURES | UNTHREADED SHANK UNDERCUT TO 0.230 IN. MIN,0.235 IN. MAX DIA | | WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.660 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 24 |
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