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Close Tolerance Bolt

Model BACB30NF5-32X

Quick Information about BACB30NF5-32X

3a thread class, right-hand , 0.4543 inches thread length, 1.814 inches fastener length, undercut hexagon head style, 0.156 inches head height

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Product Details

  • NSN:
    5306-01-539-1397 (5306015391397)
  • Thread Direction:
    Right-hand
  • Thread Length:
    0.4543 inches
  • Fastener Length:
    Between 1.814 inches and 1.844 inches
  • Head Style:
    Undercut hexagon
  • Head Height:
    Between 0.156 inches and 0.171 inches
  • Width Flats:
    Between 0.492 inches and 0.502 inches
  • Grip Diameter:
    Between 0.3260 inches and 0.3266 inches
  • End Application:
    Joint stars
  • Thread Diameter:
    0.312 inches
  • Grip Length:
    2.000 inches
  • Thready (tpi):
    24
  • Surface Finish:
    32.0 microinches bearing surface of head
  • Surface Finish:
    32.0 microinches grip
  • Surface Finish:
    32.0 microinches threads
  • Part Agency:
    Bolt, close tolerance
  • Material Specification:
    Ams5737 assn standard single material response
  • Surface Specification:
    Qq-p-416, ty2, cl2 federal specification single treatment response
  • Schedule B Code:
    7318152000

Classification

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

Definition Close Tolerance Bolt

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 Identification

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

Part Materials

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

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