Part Details | RIBBED SHOULDER BOLT
5306-00-721-5581 An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also BOLT, RIBBED NECK.
Alternate Parts: 375907, 375907, 5306-00-721-5581, 00-721-5581, 5306007215581, 007215581
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-721-5581 | 16014 ( BOLT, RIBBED SHOULDER ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
Cross Reference | NSN 5306-00-721-5581
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 375907 | 72599 | ALLIEDSIGNAL INCDBA ALLIED-SIGNAL AEROSPACE CO |
| 375907 | 99193 | HONEYWELL INTERNATIONAL INC.DBA HONEYWELL |
Technical Data | NSN 5306-00-721-5581
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.530 INCHES MINIMUM |
| FASTENER LENGTH | 1.000 INCHES NOMINAL |
| HEAD STYLE | 6 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.190 INCHES NOMINAL |
| HEAD HEIGHT | 0.190 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO FLAT | 0.180 INCHES NOMINAL |
| RIB MAJOR DIAMETER | 0.283 INCHES NOMINAL |
| RIB LENGTH | 0.090 INCHES NOMINAL |
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.040 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |