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National Stock Number:
5305-01-147-8229
Federal Supply Class:
5305
National Item Identification Number:
011478229
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| 4-40UNCX1/4BHA | 08664 | BRISTOL BABCOCK INC INSTRUMENTS-SYSTEMS DIV SUB OF BABCOCK INTL INC | | 965876-3C | 82577 | RAYTHEON COMPANY | | FS2012-3C | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.201 INCHES MINIMUM AND 0.213 INCHES MAXIMUM | | HEAD HEIGHT | 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM | | HEAD STYLE | BUTTON | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | WIDTH ACROSS FLATS | 0.062 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.170 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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