Model: 264638

Externally Relieved Body Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.875 inches
Fastener Length
Between 6.865 inches and 6.885 inches
Head Style
Hexagon
Head Height
0.312 inches
Width Between Flats
0.438 inches
Hole Diameter
0.063 inches
First Diameter From Head
Between 0.498 inches and 0.499 inches
Second Diameter From Head
Between 0.365 inches and 0.385 inches
Third Diameter From Head
Between 0.498 inches and 0.499 inches
Fourth Diameter From Head
Between 0.740 inches and 0.760 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.500 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
3.220 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
4.158 inches
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
4.220 inches
Thread Diameter
0.500 inches
Hole Quantity
1
Hole Type
Drilled
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
125000 pounds per square inch
Hole Configuration Style
Hexagon flats
Externally Relieved Body Diameter Quantity
4
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 302
Thread Series Designator
Unf
NSN
5306-00-094-4542
Part Number
264638
Description
Bolt,externally Relieved Body
CAGE
98897

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 264638 NSN 5306-00-094-4542

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

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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