NSN 5305-01-049-6268

Part Details | SHOULDER SCREW

5305-01-049-6268 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: HT4008410, HT4008-4-10, ST3M496410, ST3M496-4-10, HT4008410, HT4008-4-10, ST3M496410, ST3M496-4-10, HT4008410, HT4008-4-10, ST3M496410, ST3M496-4-10, HT4008410, HT4008-4-10, HT4008410, HT4008-4-10, 5305-01-049-6268, 01-049-6268, 5305010496268, 010496268

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 21, 197701-049-626822846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-049-6268
Part Number Cage Code Manufacturer
HT4008-4-1092215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M496-4-1076301BOEING COMPANY, THEDBA BOEING
HT4008-4-1073197HI-SHEAR CORPORATION
ST3M496-4-1097928HUCK INTL INC
HT4008-4-1097928HUCK INTL INC
ST3M496-4-1056878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4008-4-1056878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4008-4-1080539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-049-6268
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 LENGTH1.007 INCHES MINIMUM AND 1.037 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.456 INCHES MINIMUM AND 0.508 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 H ACROSS FLATS