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)
53JUN 15, 197000-177-527816014 ( BOLT, RIBBED SHOULDER )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-177-5278
Part Number Cage Code Manufacturer
1089668919207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5306-00-177-5278
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.625 INCHES MINIMUM
FASTENER LENGTH1.188 INCHES NOMINAL
HEAD STYLE HEXAGON
HEAD HEIGHT0.188 INCHES NOMINAL
WIDTH BETWEEN FLATS0.562 INCHES NOMINAL
RIB MAJOR DIAMETER0.417 INCHES MINIMUM AND 0.425 INCHES MAXIMUM
RIB LENGTH0.156 INCHES NOMINAL
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS0.062 INCHES NOMINAL
SPECIAL FEATURESSHOULDER TAPERED 0.188 IN. LG TO NOMINAL DIA OF THREADS