Model: 308870

Machine Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.370 inches
Fastener Length
Between 3.535 inches and 3.565 inches
Head Style
Hexagon
Head Height
Between 0.210 inches and 0.259 inches
Width Between Flats
0.562 inches
Shank Unthreaded Hole Diameter
0.104 inches first hole and 0.109 inches first hole
Shank Unthreaded Hole Diameter
0.104 inches and 0.109 inches first hole
Thread Diameter
0.375 inches
Grip Length
Between 3.165 inches and 3.195 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
125000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center
3.380 inches first hole and 3.395 inches first hole
Distance From Head Largest Bearing Surface To Shank Hole Center
3.380 inches and 3.395 inches first hole
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 8630
Material Specification
Mil-s-6050 military specification single material response
Surface Treatment
Cadmium
Thread Series Designator
Unf
NSN
5306-00-207-5064
Part Number
308870
Description
Bolt,machine
CAGE
98897

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 308870 NSN 5306-00-207-5064

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:
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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