Model: 2178654

Externally Relieved Body Bolt

Special Features:

Concentric hole in head dia. 0.250 in.; depth of hole 0.650 in.

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.555 inches
Fastener Length
1.125 inches
Head Style
Hexagon
Head Height
0.281 inches
Width Between Flats
0.746 inches
First Diameter From Head
Between 0.519 inches and 0.520 inches
Second Diameter From Head
Between 0.405 inches and 0.445 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.570 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
0.664 inches
Thread Diameter
0.500 inches
Thready Qty Per Inch (tpi)
20
Externally Relieved Body Diameter Quantity
2
Material
Nickel alloy
Material Specification
Ams7471 assn standard single material response
Thread Series Designator
Unjf
NSN
5306-01-142-6483
Part Number
2178654
Description
Bolt,externally Relieved Body
CAGE
06725

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 2178654 NSN 5306-01-142-6483

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:
PQ
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

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:
Equipment for Aircraft

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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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