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Shear Bolt

Model NAS1954C12

Quick Information about NAS1954C12

3a thread class, iron alloy 660 overall material, passivate overall surface treatment, unjf thread series designator.

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Product Details

  • NSN:
    5306-01-305-4320 (5306013054320)
  • Thread Direction:
    Right-hand
  • Thread Length:
    Between 0.400 inches and 0.450 inches
  • Fastener Length:
    Between 1.160 inches and 1.190 inches
  • Head Style:
    Dished hexagon
  • Head Height:
    Between 0.125 inches and 0.140 inches
  • Width Flats:
    Between 0.430 inches and 0.439 inches
  • Grip Diameter:
    Between 0.2485 inches and 0.2495 inches
  • Thread Diameter:
    0.250 inches
  • Grip Length:
    Between 0.740 inches and 0.760 inches
  • Thready (tpi):
    28
  • Min. (psi):
    180000 pounds per square inch
  • Surface Finish:
    32.0 microinches bearing surface of head
  • Surface Finish:
    32.0 microinches grip
  • Surface Finish:
    32.0 microinches threads
  • Material Specification:
    Ams 5731 assn standard single material response or ams 5737 assn standard single material response
  • Surface Specification:
    Qq-p-35 federal specification single treatment response
  • Specification Data:
    80205-nas1954 professional/industrial association standard
  • 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:
ESD:
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
BOLT,SHEAR

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