5305-00-551-4843 SCREW,CLOSE TOLERANCE Index 5306-00-551-4845 BOLT,MACHINE

National Stock Number:
5305-00-551-4844

Federal Supply Class:
5305

National Item Identification Number:
005514844

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:
NAS1221-3E404348LAWRENCE ENGINEERING AND SUPPLY INC
NAS1221-3E407851NOR-CAL SUPPLY CO
NAS1221-3E408938AIR INDUSTRIES CO INC
NAS1221-3E417446HUCK INTERNATIONAL, INC
NAS1221-3E430902F AND C SALES INC
NAS1221-3E456878SPS TECHNOLOGIES, LLC
NAS1221-3E458998FASTENER INNOVATION TECHNOLOGY, INC.
NAS1221-3E473197HI-SHEAR CORPORATION
NAS1221-3E480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1221-3E480539SPS TECHNOLOGIES, LLC
NAS1221-3E492215HOWMET GLOBAL FASTENING SYSTEMS INC
NAS1221-3E497928HUCK INTL INC
NAS1221-3E4C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
NAS1221-3E4L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
NAS1221-3E4R1120SATAIR A/S


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.574 INCHES MINIMUM AND 0.604 INCHES MAXIMUM
HEAD DIAMETER0.344 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE
SCREW MATERIALIRON ALLOY 660
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTPASSIVATE
SPECIFICATION/STANDARD DATA80205-NAS1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.314 INCHES MINIMUM AND 0.364 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNJF


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