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Close Tolerance Bolt

Model NAS6208-44W

Quick Information about NAS6208-44W

3a thread class, right-hand , 0.528 inches thread length, 3.263 inches fastener length, hexagon head style, 0.250 inches head height

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Product Details

  • NSN:
    5306-01-609-8782 (5306016098782)
  • Thread Direction:
    Right-hand
  • Thread Length:
    0.528 inches
  • Fastener Length:
    Between 3.263 inches and 3.293 inches
  • Head Style:
    Hexagon
  • Head Height:
    Between 0.250 inches and 0.265 inches
  • Width Flats:
    Between 0.745 inches and 0.752 inches
  • Grip Diameter:
    Between 0.4985 inches and 0.4995 inches
  • Point Diameter:
    Between 0.4880 inches and 0.4930 inches
  • Point Style:
    Flat
  • Thread Diameter:
    0.500 inches
  • Grip Length:
    Between 2.74 inches and 2.76 inches
  • Thready (tpi):
    20
  • Min. (psi):
    160000 pounds per square inch
  • Surface Finish:
    32.0 microinches bearing surface of head
  • Surface Finish:
    32.0 microinches threads
  • Part Agency:
    Bolt, tension, hex head, close tolerance, alloy steel, short thread, reduced major thread dia., self-locking and non-locking, 160 ksi ftu
  • Material Specification:
    Ams6349 or ams6382 national std/spec 1st material response or ams6415 or ams6484 national std/spec 2nd material response or ams6322 national std/spec 3rd material response
  • Surface Specification:
    Ams-qq-p-416, ty ii, cl 2 national std/spec 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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