NSN 5306-00-177-5278
Part Details | RIBBED SHOULDER BOLT
5306-00-177-5278 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: 10896689, 5306-00-177-5278, 00-177-5278, 5306001775278, 001775278
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JUN 15, 1970 | 00-177-5278 | 16014 ( BOLT, RIBBED SHOULDER ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON

Cross Reference | NSN 5306-00-177-5278
Part Number | Cage Code | Manufacturer |
---|---|---|
10896689 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 5306-00-177-5278
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
THREAD QUANTITY PER INCH | 24 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.625 INCHES MINIMUM |
FASTENER LENGTH | 1.188 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.188 INCHES NOMINAL |
WIDTH BETWEEN FLATS | 0.562 INCHES NOMINAL |
RIB MAJOR DIAMETER | 0.417 INCHES MINIMUM AND 0.425 INCHES MAXIMUM |
RIB LENGTH | 0.156 INCHES NOMINAL |
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.062 INCHES NOMINAL |
SPECIAL FEATURES | SHOULDER TAPERED 0.188 IN. LG TO NOMINAL DIA OF THREADS |