NSN 5305-01-081-8911

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-081-8911 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: 423201, 42320-1, 11780043, 5305-01-081-8911, 01-081-8911, 5305010818911, 010818911

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 22, 197901-081-891101852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE II

Cross Reference | NSN 5305-01-081-8911
Part Number Cage Code Manufacturer
42320-109344ROCKWELL COLLINS, INC.DBA RC DISPLAYS SYSTEMS
1178004319200US ARMY ARDEC RDECOM
Technical Data | NSN 5305-01-081-8911
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
FASTENER LENGTH0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD HEIGHT0.126 INCHES MINIMUM AND 0.146 INCHES MAXIMUM
INTERNAL DRIVE STYLE1 CROSS RECESS TYPE II
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM