Model: 3012258

Machine Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.615 inches and 0.635 inches
Fastener Length
Between 0.615 inches and 0.635 inches
Head Style
Hexagon
Head Height
Between 0.146 inches and 0.166 inches
Width Between Flats
Between 0.430 inches and 0.439 inches
Thread Diameter
0.250 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
28
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Material
Steel comp 8740 or steel comp 8640
Material Specification
Bams 6322 assn standard all material responses or aisi assn standard 2nd material response
Surface Treatment
Cadmium
Thread Series Designator
Unjf
NSN
5306-00-757-4004
Part Number
3012258
Description
Bolt,machine
CAGE
00198

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

Part 3012258 NSN 5306-00-757-4004

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01847
FIIG:
A003B0
Concept No.:
App. Key:
BR
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

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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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