Part Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-728-1680 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: 5436116002, 543-6116-002, 5436116002, 543-6116-002, 5305-00-728-1680, 00-728-1680, 5305007281680, 007281680
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | FEB 16, 1968 | 00-728-1680 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-728-1680
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 543-6116-002 | 13499 | ROCKWELL COLLINS, INC.DBA GOVERNMENT SYSTEMS |
| 543-6116-002 | 95105 | ROCKWELL COLLINS, INC.DIV GOVERNMENT SYSTEMS - DALLAS |
Technical Data | NSN 5305-00-728-1680
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| FASTENER LENGTH | 1.031 INCHES MINIMUM AND 1.063 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FIRST DIAMETER FROM HEAD | 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.195 INCHES MINIMUM AND 0.202 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.239 INCHES MINIMUM AND 0.261 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.317 INCHES MINIMUM AND 0.319 INCHES MAXIMUM |
| SPECIAL FEATURES | NON-STANDARD POINT STYLE 12 0.312 IN. NOM LG |