NSN 5305-01-311-6247

Part Details | SHOULDER SCREW

5305-01-311-6247 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: 52653303275, 526-5330327-5, 5305-01-311-6247, 01-311-6247, 5305013116247, 013116247

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 01, 198901-311-624722846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-311-6247
Part Number Cage Code Manufacturer
526-5330327-581205THE BOEING COMPANYDBA BOEING
Technical Data | NSN 5305-01-311-6247
Characteristic Specifications
THREAD SERIES DESIGNATOR M
NOMINAL THREAD DIAMETER12.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS1.5
EXTERNAL THREAD TOLERANCE CLASS6G
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH15.0 MILLIMETERS MINIMUM
FASTENER LENGTH52.0 MILLIMETERS NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER21.75 MILLIMETERS MINIMUM AND 22.00 MILLIMETERS MAXIMUM
HEAD HEIGHT14.0 MILLIMETERS NOMINAL
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT