Model: 71657H-5-2676

Externally Relieved Body Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.286 inches
Fastener Length
3.051 inches
Head Style
Hexagon extended washer
Head Height
Between 0.140 inches and 0.172 inches
Width Between Flats
0.435 inches
Extended Washer Diameter
0.435 inches
Extended Washer Thickness
Between 0.015 inches and 0.025 inches
Shank Unthreaded Hole Diameter
0.076 inches first hole and 0.086 inches first hole
First Diameter From Head
Between 0.3119 inches and 0.3130 inches
Second Diameter From Head
Between 0.187 inches and 0.197 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 2.666 inches and 2.686 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
2.765 inches
End Application
Pacer dawn
Thread Diameter
0.2500 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
46.0 rockwell c and 50.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
2.891 inches first hole
Externally Relieved Body Diameter Quantity
1
Material
Stainless steel
Material Specification
Ams6485 assn standard single material response or ams6487 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Nas672 assn standard single treatment response or ams2416 assn standard single treatment response
Thread Series Designator
Unjf
NSN
5306-01-331-7335
Part Number
71657H-5-2676
Description
Bolt,externally Relieved Body
CAGE
56878

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Part 71657H-5-2676 NSN 5306-01-331-7335

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06675
FIIG:
A003B0
Concept No.:
App. Key:
BF
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

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

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

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