5305-01-040-4654 SCREW,MACHINE Index 5305-01-040-4656 SCREW,MACHINE

National Stock Number:
5305-01-040-4655

Federal Supply Class:
5305

National Item Identification Number:
010404655

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
BACS12CB04-2077272THE BOEING COMPANY


Techincal Specification:
FASTENER LENGTH1.190 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HEAD HEIGHT0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.112 INCHES
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
WIDTH BETWEEN FLATS0.181 INCHES MINIMUM AND 0.187 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.140 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJC
THREAD QUANTITY PER INCH40


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