Model: 84725-9-28

Shear Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.828 inches
Fastener Length
Between 2.563 inches and 2.593 inches
Head Style
Double hexagon w/hole
Head Height
Between 0.547 inches and 0.567 inches
Width Between Flats
Between 0.616 inches and 0.627 inches
Extended Washer Diameter
Between 0.928 inches and 0.938 inches
Extended Washer Thickness
Between 0.123 inches and 0.143 inches
Grip Diameter
Between 0.5610 inches and 0.5615 inches
Thread Diameter
0.562 inches
Grip Length
Between 1.740 inches and 1.760 inches
Thready Qty Per Inch (tpi)
18
Min. Tensile Strength (psi)
220000 pounds per square inch
Surface Finish
32.0 microinches bearing surface of head32.0 microinches grip
Part Name Assigned By Controlling Agency
Navy special project
Material
Nickel alloy 718
Material Specification
Ams 5662 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unjf
NSN
5306-01-349-4184
Part Number
84725-9-28
Description
Bolt,shear
CAGE

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 84725-9-28 NSN 5306-01-349-4184

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15903
FIIG:
A003B0
Concept No.:
App. Key:
BX
Cond. Code:
1
Status:
A

Material Classification

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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