5305-01-218-1445 SCREW,SHOULDER Index 5305-01-218-1447 SCREW,SHOULDER

National Stock Number:
5305-01-218-1446

Federal Supply Class:
5305

National Item Identification Number:
012181446

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:
HT4060V4-13AS06950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4060V4-13AS08524DEUTSCH FASTENER CORP
HT4060V4-13AS17446HUCK INTERNATIONAL, INC
HT4060V4-13AS73197HI-SHEAR CORPORATION
HT4060V4-13AS80539SPS TECHNOLOGIES, LLC
HT4060V4-13AS92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4060V4-13AS97928HUCK INTL INC
HT4060V4-13ASL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M851V4-13AS76301THE BOEING COMPANY


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.265 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
HEAD DIAMETER0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM
HEAD HEIGHT0.058 INCHES MINIMUM AND 0.060 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 DIAMETER0.250 INCHES
SHOULDER DIAMETER0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH0.7418 INCHES MINIMUM AND 0.7638 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SPECIAL FEATURESCETYL ALCOHOL LUBE; FURNISHED WITH ONE O-RING
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28


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