Model: 1638ADHAC

Externally Relieved Body Bolt

Special Features:

1 locknut furnised; both ends center drilled 0.250 in. By 0.261 in. By 60 deg

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.750 inches
Fastener Length
2.812 inches
Head Style
Dee chamfer
Head Diameter
1.000 inches
Head Height
0.312 inches
Distance From Centerline To Flat
0.375 inches
First Diameter From Head
0.562 inches
Second Diameter From Head
0.623 inches
Third Diameter From Head
0.535 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.125 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
1.875 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
2.062 inches
Thread Diameter
0.625 inches
Thready Qty Per Inch (tpi)
18
Hardness Rating
27.0 rockwell c and 32.0 rockwell c
Minimum Yield Strength
105000 pounds per square inch
Externally Relieved Body Diameter Quantity
3
Material
Steel
Material Specification
Mil-s-890, alloy 2 military specification single material response
Thread Series Designator
Unf
NSN
5306-00-841-6999
Part Number
1638ADHAC
Description
Bolt,externally Relieved Body
CAGE
82796

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 1638ADHAC NSN 5306-00-841-6999

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:
U
ESD:
ESD:
MMAC:
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:
M
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:
Construction Materials

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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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