NSN 5305-01-388-5176

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-388-5176 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Alternate Parts: DAA7249D040003, DAA7249D040-003, DAA7249D040001, DAA7249D040-001, 5305-01-388-5176, 01-388-5176, 5305013885176, 013885176

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 01, 199401-388-517601852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

CROSS RECESS TYPE II

Cross Reference | NSN 5305-01-388-5176
Part Number Cage Code Manufacturer
DAA7249D040-0031W025NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
DAA7249D040-0011W025NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
Technical Data | NSN 5305-01-388-5176
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.875 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
FASTENER LENGTH0.625 INCHES NOMINAL
HEAD STYLE HEXAGON
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
INTERNAL DRIVE STYLE1 CROSS RECESS TYPE II
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.274 INCHES MINIMUM AND 0.278 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM