NSN 5306-00-131-2599
Part Details | EXTERNALLY RELIEVED BODY BOLT
5306-00-131-2599 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 undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.
Alternate Parts: 78027, 5306-00-131-2599, 00-131-2599, 5306001312599, 001312599
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 09, 1968 | 00-131-2599 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
Cross Reference | NSN 5306-00-131-2599
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 78027 | 80254 | TEXTRON LYCOMING INCWILLIAMSPORT PLANT |
Technical Data | NSN 5306-00-131-2599
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.560 INCHES MINIMUM |
| FASTENER LENGTH | 2.270 INCHES MINIMUM |
| HEAD STYLE | 5 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| HEAD HEIGHT | 0.190 INCHES MINIMUM |
| DISTANCE FROM CENTERLINE TO FLAT | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
| FIRST DIAMETER FROM HEAD | 0.316 INCHES MINIMUM AND 0.321 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.3805 INCHES MINIMUM AND 0.3810 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 0.3695 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.630 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.094 INCHES MINIMUM AND 1.157 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.469 INCHES MINIMUM AND 1.595 INCHES MAXIMUM |
| SPECIAL FEATURES | THD POINT FLATTED TO 0.260 IN. W BY 0.160 IN. LG,TOP OF HEAD PARTIALLY BEVELED TO 30.0 DEG |