NSN 5305-00-302-9731

Part Details | SHOULDER SCREW

5305-00-302-9731 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: HT404A523, HT404A5-23, HT404A523, HT404A5-23, 3M51523, 3M51-5-23, HT51UA23, HT51UA23, 54267523, 54267-5-23, 5305-00-302-9731, 00-302-9731, 5305003029731, 003029731

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 14, 197300-302-973122846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-302-9731
Part Number Cage Code Manufacturer
HT404A5-2392215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT404A5-2306950ARCONIC GLOBAL FASTENERS & RINGS,INC.
3M51-5-2376301BOEING COMPANY, THEDBA BOEING
HT51UA2373197HI-SHEAR CORPORATION
HT51UA23L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
54267-5-2350394SPS TECHNOLOGIES INC UNBRAKO DIV
Technical Data | NSN 5305-00-302-9731
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.505 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
FASTENER LENGTH1.953 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
HEAD STYLE1 HEXAGON COUNTERSUNK
HEAD DIAMETER0.628 INCHES MINIMUM AND 0.633 INCHES MAXIMUM
HEAD HEIGHT0.081 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES MINIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
SPECIAL FEATURESFURNISHED WITH O RING