Product Details | MACHINE BOLT

5306-01-270-0066 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: MS200740460, MS20074-04-60, 5306-01-270-0066, 01-270-0066, 5306012700066, 012700066

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 24 DEC 1987 01-270-0066

Drawings & Photos | NSN 5306-01-270-0066


Cross Reference | NSN 5306-01-270-0066

Part Number Cage Code Manufacturer
MS20074-04-60 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5306-01-270-0066

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.499 INCHES MINIMUM AND 0.578 INCHES MAXIMUM
FASTENER LENGTH 6.015 INCHES MINIMUM AND 6.062 INCHES MAXIMUM
MATERIAL STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 125000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
HOLE CONFIGURATION STYLE E5 HEXAGON LONGITUDINAL HOLE
HOLE TYPE DRILLED
HOLE QUANTITY 3
HOLE DIAMETER 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM
GRIP LENGTH 5.484 INCHES MINIMUM AND 5.516 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD
SPECIAL FEATURES CENTER DRILL 0.188 IN. DIA
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS20074-04-60

Restrictions/Controls & Freight Information | NSN 5306-01-270-0066

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
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem does not contain precious metal
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