NSN 5305-00-143-2454

Part Details | SHOULDER SCREW

5305-00-143-2454 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: 8445052, 5305-00-143-2454, 00-143-2454, 5305001432454, 001432454

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 16, 196800-143-245422846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-00-143-2454
Part Number Cage Code Manufacturer
844505219204ARMY, UNITED STATES DEPARTMENT OFTHE
Technical Data | NSN 5305-00-143-2454
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.418 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
FASTENER LENGTH1.048 INCHES MINIMUM AND 1.058 INCHES MAXIMUM
HEAD DIAMETER0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD HEIGHT0.270 INCHES MINIMUM AND 0.289 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.805 INCHES MINIMUM AND 0.827 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.156 INCHES NOMINAL