5325-01-146-0521 GROMMET,NONMETALLIC Index 5305-01-146-0523 SCREW,SHOULDER

National Stock Number:
5305-01-146-0522

Federal Supply Class:
5305

National Item Identification Number:
011460522

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:
3M958-4-976301THE BOEING COMPANY
3M958-4-992215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4049-4-9X06950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4049-4-9X17446HUCK INTERNATIONAL, INC
HT4049-4-9X73197HI-SHEAR CORPORATION
HT4049-4-9X80539SPS TECHNOLOGIES, LLC
HT4049-4-9X92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4049-4-9X97928HUCK INTL INC
HT4049-4-9XL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.863 INCHES MINIMUM AND 0.893 INCHES MAXIMUM
HEAD DIAMETER0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 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 LENGTH0.453 INCHES MINIMUM AND 0.473 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD LENGTH0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF


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