NSN 5305-00-207-4199

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-207-4199 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: 310450, 5305-00-207-4199, 00-207-4199, 5305002074199, 002074199

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-207-419901852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-207-4199
Part Number Cage Code Manufacturer
31045056232LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
Technical Data | NSN 5305-00-207-4199
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.099 INCHES
THREAD QUANTITY PER INCH48
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
FASTENER LENGTH0.511 INCHES NOMINAL
HEAD STYLE HEXAGON
HEAD HEIGHT0.114 INCHES NOMINAL
WIDTH BETWEEN FLATS0.188 INCHES NOMINAL
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.160 INCHES MINIMUM AND 0.165 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.065 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.230 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.277 INCHES MINIMUM AND 0.292 INCHES MAXIMUM