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National Stock Number: 5305-01-112-3104
Federal Supply Class: 5305
National Item Identification Number: 011123104
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:
3184232 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNC | NOMINAL THREAD DIAMETER | 0.250 INCHES | THREAD QUANTITY PER INCH | 20 | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.980 INCHES MINIMUM AND | | 1.020 INCHES MAXIMUM | FASTENER LENGTH | 0.980 INCHES MINIMUM AND | | 1.020 INCHES MAXIMUM | MATERIAL | STEEL OVERALL | SURFACE TREATMENT | ZINC AND | | CHROMATE OVERALL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND | | 53.0 ROCKWELL C MAXIMUM OVERALL | HEAD STYLE | HEADLESS (SETSCREW) | INTERNAL DRIVE STYLE | HEXAGON | WIDTH ACROSS FLATS | 0.125 INCHES MINIMUM AND | | 0.127 INCHES MAXIMUM | LOCKING FEATURE | PATCH THREADS | POINT STYLE | OVAL |
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