Model: 6258272

Externally Relieved Body Bolt

Special Features:

3rd shoulder has 1 degrees 22 min taper0.200 in. Lg toward thd end, 45 degrees chamfe 0.060 in. Lg on thd end

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.688 inches
Fastener Length
2.940 inches
Shank Unthreaded Hole Diameter
0.141 inches first hole
First Diameter From Head
Between 0.525 inches and 0.526 inches
Second Diameter From Head
Between 0.425 inches and 0.530 inches
Third Diameter From Head
Between 0.510 inches and 0.511 inches
Fourth Diameter From Head
Between 0.425 inches and 0.430 inches
Fifth Diameter From Head
0.500 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.240 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
0.980 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
1.680 inches
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
2.200 inches
Distance From Largest Bearing Surface Of Head To End Of Fifth Diameter
Between 2.240 inches and 2.280 inches
Thread Diameter
0.500 inches
Thready Qty Per Inch (tpi)
20
Distance From Head Largest Bearing Surface To Shank Hole Center
2.770 inches first hole and 2.780 inches first hole
Material
Steel comp 8640
Material Specification
Qq-s-624 federal specification single material response
Surface Treatment
Phosphate
Thread Series Designator
Unf
NSN
5306-00-298-4810
Part Number
6258272
Description
Bolt,externally Relieved Body
CAGE
19207

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 6258272 NSN 5306-00-298-4810

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:
50.0
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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