NSN 5305-01-140-4320

Part Details | SHOULDER SCREW

5305-01-140-4320 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: 4245261028, 4245261-028, 4437, 13100, 12614906, 5305-01-140-4320, 01-140-4320, 5305011404320, 011404320

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 12, 198201-140-432022846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-140-4320
Part Number Cage Code Manufacturer
4245261-02804660AIL SYSTEMS INCSUB OF EATON CORP
443700141ROLLER BEARING COMPANY OF AMERICA,INC.
1310082896SAFETY SOCKET LLC
1261490619200US ARMY ARDEC RDECOM
Technical Data | NSN 5305-01-140-4320
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.250 INCHES NOMINAL
FASTENER LENGTH0.907 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.500 INCHES NOMINAL
HEAD HEIGHT0.219 INCHES NOMINAL
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.156 INCHES NOMINAL