NSN 5305-01-174-8199

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-174-8199 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: 3354B86H01, 5305-01-174-8199, 01-174-8199, 5305011748199, 011748199

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 23, 198401-174-819901852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-174-8199
Part Number Cage Code Manufacturer
3354B86H0131442NORTHROP GRUMMAN SYSTEMS CORPORATION
Technical Data | NSN 5305-01-174-8199
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.438 INCHES NOMINAL
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.142 INCHES MINIMUM AND 0.152 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.562 INCHES NOMINAL