Product Details | RIBBED SHOULDER BOLT

5306-00-538-0856 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.

Part Alternates: 5306-00-538-0856, 00-538-0856, 5306005380856, 005380856

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 00-538-0856

Drawings & Photos | NSN 5306-00-538-0856


Cross Reference | NSN 5306-00-538-0856

Part Number Cage Code Manufacturer
5305006177117 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
5306005380856 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
5306006177117 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
5380856 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 5306-00-538-0856

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.875 INCHES
THREAD QUANTITY PER INCH 14
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.625 INCHES MINIMUM
FASTENER LENGTH 3.500 INCHES NOMINAL
MATERIAL STEEL COMP 1340 OR STEEL COMP 4135 OR STEEL COMP 4140 OR STEEL COMP 8640 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A304 ASSN STD ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 1.312 INCHES NOMINAL
HEAD HEIGHT 0.312 INCHES NOMINAL
SHOULDER SHAPE RIBBED FIRST SHOULDER
SHOULDER DIAMETER 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH 0.906 INCHES NOMINAL FIRST SHOULDER
RIB QUANTITY 25
RIB MAJOR DIAMETER 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM
RIB LENGTH 0.781 INCHES NOMINAL
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS 0.125 INCHES NOMINAL
FEATURES PROVIDED CASEHARDENED

Restrictions/Controls & Freight Information | NSN 5306-00-538-0856

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information