Model: 427R158H01

Externally Relieved Body Bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.365 inches and 0.465 inches
Fastener Length
1.740 inches
Head Style
Hexagon
Head Height
0.200 inches
Width Between Flats
0.688 inches
First Diameter From Head
Between 0.354 inches and 0.359 inches
Second Diameter From Head
Between 0.431 inches and 0.436 inches
Third Diameter From Head
0.310 inches
Fourth Diameter From Head
Between 0.431 inches and 0.436 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.100 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
0.220 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
1.155 inches
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
1.275 inches
Thread Diameter
0.438 inches
Thready Qty Per Inch (tpi)
20
Externally Relieved Body Diameter Quantity
4
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6 t351 federal specification single material response
Surface Treatment
Chromate
Surface Treatment Specification
Mil-c-5541 cl 1a military specification single treatment response
Thread Series Designator
Unf
NSN
5306-00-580-9702
Part Number
427R158H01
Description
Bolt,externally Relieved Body
CAGE
97942

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 427R158H01 NSN 5306-00-580-9702

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 7616106000
  • SITC: 69440
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Threaded fasteners of aluminum

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