NSN 5305-01-218-1441

Part Details | SHOULDER SCREW

5305-01-218-1441 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: ST3M851V47AS, ST3M851V4-7AS, HT4060V47AS, HT4060V4-7AS, HT4060V47AS, HT4060V4-7AS, ST3M851V47AS, ST3M851V4-7AS, HT4060V47AS, HT4060V4-7AS, HT4060V47AS, HT4060V4-7AS, HT4060V47AS, HT4060V4-7AS, HT4060V47AS, HT4060V4-7AS, HT4060V47AS, HT4060V4-7AS, 5305-01-218-1441, 01-218-1441, 5305012181441, 012181441

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 08, 198501-218-144122846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-218-1441
Part Number Cage Code Manufacturer
ST3M851V4-7AS92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4060V4-7AS92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4060V4-7AS06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M851V4-7AS76301BOEING COMPANY, THEDBA BOEING
HT4060V4-7AS73197HI-SHEAR CORPORATION
HT4060V4-7AS17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4060V4-7AS97928HUCK INTL INC
HT4060V4-7ASL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
HT4060V4-7AS80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-218-1441
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.442 INCHES MINIMUM AND 0.509 INCHES MAXIMUM
FASTENER LENGTH0.890 INCHES MINIMUM AND 0.937 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
SPECIAL FEATURESFURNISHED WITH ONE O RING