NSN 5305-01-249-7863

Part Details | SHOULDER SCREW

5305-01-249-7863 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: 6938SS0, 6938-SS-0, 5305-01-249-7863, 01-249-7863, 5305012497863, 012497863

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 17, 198701-249-786322846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-249-7863
Part Number Cage Code Manufacturer
6938-SS-055566MATTHEW WARREN, INCDBA RAF ELECTRONIC HARDWARE
Technical Data | NSN 5305-01-249-7863
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
FASTENER LENGTH0.5575 INCHES MINIMUM AND 0.5665 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM
HEAD HEIGHT0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.125 INCHES NOMINAL
PROPRIETARY CHARACTERISTICSNPAC