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Shear Bolt

Model 120978L7-12

Quick Information about 120978L7-12

3a thread class, right-hand , 0.683 inches thread length, 1.418 inches fastener length, spline drive shear head head style, 0.257 inches head height

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

Product Details

  • NSN:
    5306-01-591-0258 (5306015910258)
  • Thread Direction:
    Right-hand
  • Thread Length:
    0.683 inches
  • Fastener Length:
    Between 1.418 inches and 1.448 inches
  • Head Style:
    Spline drive shear head
  • Head Height:
    0.257 inches
  • Grip Diameter:
    0.4358 mils and 0.4367 centimeters
  • Single Strength:
    132000 pounds per square inch
  • Head Diameter:
    0.828 inches
  • End Application:
    F16
  • Thread Diameter:
    0.438 inches
  • Grip Length:
    0.750 inches
  • Thready (tpi):
    20
  • Min. (psi):
    23200 pounds per square inch
  • Hardness Rating:
    46.0 rockwell c and 50.0 rockwell c
  • Part Agency:
    Bolt, external wrenching, spline drive, 132k shear
  • Material Specification:
    Ams 6487 assn standard single material response
  • Surface Specification:
    Mil-l-8937 or mil-l-46010, ty i federal specification single treatment response
  • Schedule B Code:
    7318152000

Classification

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

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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