Model: BACB30NF5D16

Close Tolerance Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.454 inches
Fastener Length
Between 1.439 inches and 1.469 inches
Head Style
Dished hexagon
Head Height
Between 0.156 inches and 0.171 inches
Width Between Flats
Between 0.492 inches and 0.502 inches
Hole Diameter
Between 0.070 inches and 0.080 inches
Grip Diameter
Between 0.3110 inches and 0.3120 inches
Shank Unthreaded Hole Diameter
0.076 inches threads and 0.086 inches threads
Thread Diameter
0.312 inches
Grip Length
Between 0.990 inches and 1.010 inches
Hole Quantity
6
Hole Type
Drilled
Thready Qty Per Inch (tpi)
24
Hole Configuration Style
Hexagon flats
Distance From Head Largest Bearing Surface To Shank Hole Center
1.264 inches threads and 1.294 inches threads
Material
Steel
Surface Treatment
Cadmium and chromate
Thread Series Designator
Unjf
NSN
5306-01-371-8729
Part Number
BACB30NF5D16
Description
Bolt,close Tolerance
CAGE

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.

Part BACB30NF5D16 NSN 5306-01-371-8729

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27851
FIIG:
A003B0
Concept No.:
App. Key:
BC
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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