NSN 5305-01-045-3030

Part Details | SHOULDER SCREW

5305-01-045-3030 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.

Alternate Parts: ST3M506481, ST3M506-4-8-1, HT401648Y, HT4016-4-8Y, HT401648Y, HT4016-4-8Y, ST3M506481, ST3M506-4-8-1, ST3M506481, ST3M506-4-8-1, HT401648Y, HT4016-4-8Y, HT401648Y, HT4016-4-8Y, HT401648Y, HT4016-4-8Y, HT401648Y, HT4016-4-8Y, HT401648Y, HT4016-4-8Y, ST3M506481, ST3M506-4-8-1, 5305-01-045-3030, 01-045-3030, 5305010453030, 010453030

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 29, 197701-045-303022846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-045-3030
Part Number Cage Code Manufacturer
ST3M506-4-8-106950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4016-4-8Y92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4016-4-8Y06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M506-4-8-176301BOEING COMPANY, THEDBA BOEING
ST3M506-4-8-158998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
HT4016-4-8Y73197HI-SHEAR CORPORATION
HT4016-4-8Y17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4016-4-8Y97928HUCK INTL INC
HT4016-4-8Y56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4016-4-8Y80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
ST3M506-4-8-160516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-045-3030
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.372 INCHES MINIMUM AND 0.422 INCHES MAXIMUM
FASTENER LENGTH0.632 INCHES MINIMUM AND 0.662 INCHES MAXIMUM
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER0.421 INCHES MINIMUM AND 0.426 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
SPECIAL FEATURESSOCKET DRIVE RECESS IN THREAD END 0.0947 IN. MIN AND 0.0967 IN. MAX WIDTH ACROSS FLATS
END ITEM IDENTIFICATIONFMS - AIRCRAFT, HORNET F/A-18;AIRCRAFT, EAGLE F-15;AIRCRAFT, HORNET F/A-18;AIRCRAFT, HARRIER AV-8B