5305-01-217-5170 SCREW,SHOULDER Index 5305-01-217-5172 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-217-5171

Federal Supply Class:
5305

National Item Identification Number:
012175171

Description:
SCREW,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
HT4059V5-9AS06950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4059V5-9AS17446HUCK INTERNATIONAL, INC
HT4059V5-9AS73197HI-SHEAR CORPORATION
HT4059V5-9AS80539SPS TECHNOLOGIES, LLC
HT4059V5-9AS92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4059V5-9AS97928HUCK INTL INC
HT4059V5-9ASL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M850V5-9AS76301THE BOEING COMPANY


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.077 INCHES MINIMUM AND 1.124 INCHES MAXIMUM
HEAD HEIGHT0.0819 INCHES MINIMUM AND 0.0839 INCHES MAXIMUM
HEAD DIAMETER0.575 INCHES MINIMUM AND 0.633 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY UNS R56400 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SHOULDER DIAMETER0.3721 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER LENGTH0.4701 INCHES MINIMUM AND 0.4881 INCHES MAXIMUM FIRST SHOULDER
SINGLE SHEAR STRENGTH95000 POUNDS PER SQUARE INCH
SPECIAL FEATURESCETYLE ALCOHOL LUBE; FURNISH WITH ONE O RING
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.505 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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