Product Details | MACHINE BOLT

5306-00-166-2091 An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Part Alternates: 5681, 5306-00-166-2091, 00-166-2091, 5306001662091, 001662091

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 01-JAN-63 00-166-2091

Drawings & Photos | NSN 5306-00-166-2091


Cross Reference | NSN 5306-00-166-2091

Part Number Cage Code Manufacturer
5681 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 5306-00-166-2091

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.500 INCHES MINIMUM
FASTENER LENGTH 0.625 INCHES NOMINAL
MATERIAL STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.234 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.500 INCHES NOMINAL
HOLE CONFIGURATION STYLE E5 HEXAGON LONGITUDINAL HOLE
HOLE TYPE DRILLED
HOLE QUANTITY 6
HOLE DIAMETER 0.062 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD

Restrictions/Controls & Freight Information | NSN 5306-00-166-2091

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information