5305-01-076-4929 SCREW,SHOULDER Index 5305-01-076-4931 SCREW,SHOULDER

National Stock Number:
5305-01-076-4930

Federal Supply Class:
5305

National Item Identification Number:
010764930

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:
HT4020-4-9AX06950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4020-4-9AX17446HUCK INTERNATIONAL, INC
HT4020-4-9AX73197HI-SHEAR CORPORATION
HT4020-4-9AX80539SPS TECHNOLOGIES, LLC
HT4020-4-9AX92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4020-4-9AX97928HUCK INTL INC
HT4020-4-9AXL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M653C4-9A76301THE BOEING COMPANY
ST3M653C4-9A92215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.015 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
HEAD DIAMETER0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM
HEAD HEIGHT0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SHOULDER DIAMETER0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER LENGTH0.485 INCHES MINIMUM AND 0.507 INCHES MAXIMUM FIRST SHOULDER
SPECIAL FEATURESFURNISHED WITH ONE RUBBER O RING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF


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