NSN 5305-00-068-8340
Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-068-8340 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: 10093761, 1009376-1, 10093761, 1009376-1, 5305-00-068-8340, 00-068-8340, 5305000688340, 000688340
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-068-8340 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
CROSS RECESS TYPE 1
ROUND
Cross Reference | NSN 5305-00-068-8340
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1009376-1 | 77068 | ALLIED-SIGNAL INCDBA ALLIED-SIGNAL AEROSPACE CO |
| 1009376-1 | 04795 | BE AEROSPACE CONSUMABLES MANAGEMENTDBA AEROSPACE SERVICES DIV |
Technical Data | NSN 5305-00-068-8340
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES MINIMUM |
| FASTENER LENGTH | 2.280 INCHES NOMINAL |
| HEAD STYLE | 4 CROWNED HEXAGON |
| HEAD DIAMETER | 0.312 INCHES NOMINAL |
| HEAD HEIGHT | 0.123 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
| HOLE CONFIGURATION STYLE | ROUND |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 1 |
| HOLE DIAMETER | 0.046 INCHES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| FIRST DIAMETER FROM HEAD | 0.199 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.117 INCHES MINIMUM AND 0.127 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.620 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.780 INCHES NOMINAL |