NSN 5305-01-237-9931

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-237-9931 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: 4053554, 4053554, 4053554, 5305-01-237-9931, 01-237-9931, 5305012379931, 012379931

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 08, 198601-237-993101852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-237-9931
Part Number Cage Code Manufacturer
40535542T287CONDOR INDUSTRIES, LLCDBA EMPIRE MANUFACTURING
40535540UCY9M.S. AEROSPACE INC.
405355477445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5305-01-237-9931
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
FASTENER LENGTH0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.472 INCHES MINIMUM AND 0.478 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.142 INCHES MINIMUM AND 0.146 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.065 INCHES MINIMUM AND 0.105 INCHES MAXIMUM
SPECIAL FEATURESHOLE IN SHANK 0.100 IN. FROM END TO CENTER OF HOLE;HOLE MIN. 0.065 IN. MAX. 0.072 IN.