NSN 5305-00-138-4338
Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-138-4338 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: 1354741, 135474-1, 5305-00-138-4338, 00-138-4338, 5305001384338, 001384338
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | AUG 09, 1971 | 00-138-4338 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-138-4338
Part Number | Cage Code | Manufacturer |
---|---|---|
135474-1 | 37695 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5305-00-138-4338
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.164 INCHES |
THREAD QUANTITY PER INCH | 32 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.380 INCHES MINIMUM |
FASTENER LENGTH | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM |
HEAD STYLE | 9 CROWNED HEXAGON |
HEAD DIAMETER | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM |
HEAD HEIGHT | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
FIRST DIAMETER FROM HEAD | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM |