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Shear Bolt

Model 20-131-1

Quick Information about 20-131-1

3a thread class, right-hand , 0.960 inches thread length, 1.435 inches fastener length, hexagon head style, 0.188 inches head height

For pricing and availability of this shear bolt submit the price quote form on the right.

Product Details

  • NSN:
    5306-01-618-6781 (5306016186781)
  • Thread Direction:
    Right-hand
  • Thread Length:
    0.960 inches
  • Fastener Length:
    Between 1.435 inches and 1.465 inches
  • Head Style:
    Hexagon
  • Head Height:
    Between 0.188 inches and 0.203 inches
  • Width Flats:
    Between 0.554 inches and 0.564 inches
  • Hole Diameter:
    Between 0.070 inches and 0.080 inches
  • Grip Diameter:
    Between 0.3735 inches and 0.3745 inches
  • End Application:
    Model code for the v-22 aircraft
  • Thread Diameter:
    0.375 inches
  • Grip Length:
    Between 0.365 inches and 0.385 inches
  • Hole Quantity:
    3
  • Hole Type:
    Drilled
  • Features Provided:
    Dry film lubricant
  • Thready (tpi):
    24
  • Min. (psi):
    260000 pounds per square inch
  • Hole Style:
    Hexagon corners
  • Chamfer Angle:
    Between 10.0 degrees and 20.0 degrees
  • Part Agency:
    Bolt, hex head, special thread lengths, cobalt-nickel alloy mp35n, 260 ksi ftu, (mast nut applications)
  • Material Specification:
    Ams5844 (uns r30035) assn standard single material 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:
A
ESD:
A
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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