Model: 525118

Machine Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.680 inches
Fastener Length
2.340 inches
Head Style
Hexagon
Head Height
0.190 inches
Width Between Flats
Between 0.490 inches and 0.502 inches
Thread Diameter
0.312 inches
Grip Length
1.660 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
24
Hardness Rating
32.0 rockwell c and 36.0 rockwell c
Surface Finish
125.0 microinches grip
Surface Finish
125.0 microinches bearing surface of head
Surface Finish
125.0 microinches threads
Material
Steel comp 8640 or steel comp 8740 or steel comp 4140
Material Specification
Qq-s-624 federal specification all material responses
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification single treatment response
Thread Series Designator
Unf
NSN
5306-00-737-6936
Part Number
525118
Description
Bolt,machine
CAGE
02978

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 525118 NSN 5306-00-737-6936

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

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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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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