5305-01-345-2070 SCREW,MACHINE Index 5998-01-345-2072 CIRCUIT CARD ASSEMBLY

National Stock Number:
5305-01-345-2071

Federal Supply Class:
5305

National Item Identification Number:
013452071

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:
MS24694-5080205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS24694-5096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.516 INCHES MINIMUM AND 0.546 INCHES MAXIMUM
HEAD DIAMETER0.327 INCHES MINIMUM AND 0.371 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE II
MINIMUM TENSILE STRENGTH62000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-430 MIL STD SINGLE MATERIAL RESPONSE
SCREW MATERIALALUMINUM ALLOY 2024
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 OR 2 MIL STD SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTANODIZE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.422 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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