Model: 538999

Machine Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.880 inches
Fastener Length
3.620 inches
Head Style
Hexagon
Head Height
0.190 inches
Width Between Flats
0.500 inches
Hole Diameter
0.070 inches
Thread Diameter
0.312 inches
Grip Length
2.740 inches
Hole Quantity
1
Hole Type
Drilled
Features Provided
Finished head
Thready Qty Per Inch (tpi)
18
Hardness Rating
30.0 rockwell c and 35.0 rockwell c
Hole Configuration Style
Hexagon flats
Surface Finish
50.0 microinches threads
Surface Finish
60.0 microinches bearing surface of head
Surface Finish
60.0 microinches grip
Material
Steel comp 8640
Material Specification
Sae assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
Thread Series Designator
Unc
NSN
5306-00-638-8366
Part Number
538999
Description
Bolt,machine
CAGE
28839

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 538999 NSN 5306-00-638-8366

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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

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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