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Shear Bolt

Model PBF1477-9-D23P

Quick Information about PBF1477-9-D23P

3a thread class, cobalt comp mp-35-n overall material, cadmium overall and chromate overall surface treatment, unjf thread series designator.

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Product Details

  • NSN:
    5306-01-419-5685 (5306014195685)
  • Thread Direction:
    Right-hand
  • Thread Length:
    0.771 inches
  • Fastener Length:
    Between 2.193 inches and 2.240 inches
  • Head Style:
    Double hexagon
  • Head Height:
    Between 0.318 inches and 0.338 inches
  • Width Flats:
    Between 0.865 inches and 0.877 inches
  • Grip Diameter:
    Between 0.5605 inches and 0.5615 inches
  • Shank Diameter:
    0.136 inches first hole and 0.146 inches first hole
  • Single Strength:
    145000 pounds per square inch
  • Thread Diameter:
    0.562 inches
  • Grip Length:
    Between 1.428 inches and 1.448 inches
  • Thready (tpi):
    18
  • Min. (psi):
    260000 pounds per square inch
  • Distance Center:
    1.924 inches first hole and 1.956 inches first hole
  • Surface Finish:
    32.0 microinches threads
  • Part Agency:
    Navy special project
  • Material Specification:
    Ams 5844 assn standard single material response
  • Surface Specification:
    Qq-p-416 type 2 cl 2 federal specification single treatment response
  • Schedule B Code:
    8105900000

Classification

Cobalt, wrought, and articles thereof

Definition Shear Bolt

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. 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. The unthreaded portion is of specific 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. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15903
FIIG:
A003B0
Concept No.:
App. Key:
BX
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:
ESD:
MMAC:
CRITL:
X

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