NSN 5306-01-609-8341

Part Details | CLOSE TOLERANCE BOLT

5306-01-609-8341 An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.

Alternate Parts: 3M1277E6D7A, 3M1277E6D7A, 3M1277E6D7A, 3M1277E6D7A, 3M1277E6D7A, 3M1277E6D7A, 11861E6D7A, 3M1277E6D7A, 3M1277E6D7A, 5306-01-609-8341, 01-609-8341, 5306016098341, 016098341

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 03, 201201-609-834127851 ( BOLT, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

Cross Reference | NSN 5306-01-609-8341
Part Number Cage Code Manufacturer
3M1277E6D7A1EM77B & B SPECIALTIES INC.DBA G S AEROSPACE DIVISION DIV GS
3M1277E6D7A76301BOEING COMPANY, THEDBA BOEING
3M1277E6D7A4WL75CAMCAR LLCDIV CAMCAR LLC
3M1277E6D7A58998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
3M1277E6D7A0ZC92HEARTLAND PRECISION FASTENERS, INC.
3M1277E6D7A1VSL7HOUSTON PRECISION FASTENERS I, LP
11861E6D7A59563REID PRODUCTS INC.DBA REID PRODUCTS
3M1277E6D7A0K6Z0SATURN FASTENERS INCDIV ACUMENT
3M1277E6D7A06710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5306-01-609-8341
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.3750 INCHES
THREAD QUANTITY PER INCHAJ
THREAD CLASSAA
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.563 INCHES MINIMUM AND 0.593 INCHES MAXIMUM
FASTENER LENGTH0.503 INCHES NOMINAL
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.5504 INCHES MINIMUM AND 0.5604 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CHAMFER ANGLE23.4 DEGREES NOMINAL
HOLE TYPE DRILLED
HOLE QUANTITY1
HOLE DIAMETER0.106 INCHES NOMINAL
GRIP LENGTH0.4375 INCHES NOMINAL
GRIP DIAMETER0.3896 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM
END ITEM IDENTIFICATIONF/A-18 E/F
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, CLOSE TOLERANCE