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Shear Bolt

Model MS21250H12044

Quick Information about MS21250H12044

3a thread class, right-hand , 1.036 inches thread length, 3.806 inches fastener length, double hexagon extended washer head style

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

Product Details

  • NSN:
    5306-01-643-2341 (5306016432341)
  • Thread Direction:
    Right-hand
  • Thread Length:
    1.036 inches
  • Fastener Length:
    3.806 inches
  • Head Style:
    Double hexagon extended washer
  • Head Height:
    0.711 inches
  • Width Flats:
    0.8125 inches
  • Extended Diameter:
    Between 1.220 inches and 1.230 inches
  • Extended Thickness:
    0.178 inches
  • Hole Diameter:
    Between 0.05 inches and 0.06 inches
  • Grip Diameter:
    Between 0.7480 inches and 0.7490 inches
  • Thread Diameter:
    0.7500 inches
  • Grip Length:
    Between 2.74 inches and 2.76 inches
  • Hole Quantity:
    4
  • Hole Type:
    Drilled
  • Thready (tpi):
    16
  • Min. (psi):
    180000 pounds per square inch
  • Hardness Rating:
    39.0 rockwell c and 43.0 rockwell c
  • Hole Style:
    Hexagon flats
  • Surface Finish:
    125.0 microinches grip
  • Surface Finish:
    125.0 microinches threads
  • Surface Finish:
    32.0 microinches bearing surface of head
  • Part Agency:
    Bolt, tension, steel, external wrenching, flanged, 12-point, 180 ksi ftu, 450 degree
  • Material Specification:
    Mil-s-582 (aisi 4140) government std/spec 1st material response or mil-s-5000(aisi 4340) government std/spec 2nd material response or mil-s-6049(aisi 8740) government std/spec 3rd material response or mil-s-8503(aisi 6150) government std/spec 4th material response
  • Surface Specification:
    Qq-p-416, type ii, class 2 national standard single treatment response
  • Specification Data:
    80205-nas-21250 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:
A
ESD:
A
MMAC:
CRITL:
X

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