5305-01-143-4084 SCREW,SHOULDER Index 5305-01-143-4086 SCREW,SHOULDER

National Stock Number:
5305-01-143-4085

Federal Supply Class:
5305

National Item Identification Number:
011434085

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:
HT4020-5-11AX06950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4020-5-11AX17446HUCK INTERNATIONAL, INC
HT4020-5-11AX73197HI-SHEAR CORPORATION
HT4020-5-11AX80539SPS TECHNOLOGIES, LLC
HT4020-5-11AX92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4020-5-11AX97928HUCK INTL INC
ST3M653C5-11A76301THE BOEING COMPANY
ST3M653C5-11A92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4020-5-11AXL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.203 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
HEAD HEIGHT0.082 INCHES MINIMUM AND 0.084 INCHES MAXIMUM
HEAD DIAMETER0.629 INCHES MINIMUM AND 0.634 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SHOULDER DIAMETER0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH0.594 INCHES MINIMUM AND 0.616 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SPECIAL FEATURESFURNISHED WITH ONE RUBBER O RING
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.505 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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