NSN 5305-01-185-7127

Part Details | SHOULDER SCREW

5305-01-185-7127 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: 75A3040212005, 75A304021-2005, 5305-01-185-7127, 01-185-7127, 5305011857127, 011857127

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 03, 198401-185-712722846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-185-7127
Part Number Cage Code Manufacturer
75A304021-200576301BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5305-01-185-7127
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.600 INCHES NOMINAL
FASTENER LENGTH3.106 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.750 INCHES NOMINAL
HEAD HEIGHT0.675 INCHES NOMINAL
INTERNAL DRIVE STYLE7 CROSS RECESS TYPE 1
WIDTH ACROSS FLATS0.378 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
SPECIAL FEATURESFOUR PRONES ON HEAD 0.040 IN. MIN DIA,0.050 IN. MAX DIA TO 0.066 IN MIN DIA,0.076 IN. MAX DIA