NSN 5305-01-268-5972

Part Details | SHOULDER SCREW

5305-01-268-5972 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: ST3M653C48D, ST3M653C4-8D, HT402048X, HT4020-4-8X, HT402048X, HT4020-4-8X, ST3M653C48D, ST3M653C4-8D, HT402048X, HT4020-4-8X, HT402048X, HT4020-4-8X, ST3M653C48D, ST3M653C4-8D, HT402048X, HT4020-4-8X, ST3M653C48D, ST3M653C4-8D, HT402048X, HT4020-4-8X, 5305-01-268-5972, 01-268-5972, 5305012685972, 012685972

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 04, 198701-268-597222846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-268-5972
Part Number Cage Code Manufacturer
ST3M653C4-8D92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4020-4-8X92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4020-4-8X06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M653C4-8D73197HI-SHEAR CORPORATION
HT4020-4-8X73197HI-SHEAR CORPORATION
HT4020-4-8X17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
ST3M653C4-8DL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
HT4020-4-8XL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
ST3M653C4-8D80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
HT4020-4-8X80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-268-5972
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.469 INCHES NOMINAL
FASTENER LENGTH0.953 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HEAD STYLE1 HEXAGON COUNTERSUNK
HEAD DIAMETER0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM
HEAD HEIGHT0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE