Model: BACB30US4K20D

Machine Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.500 inches
Fastener Length
Between 1.740 inches and 1.760 inches
Head Style
Double hexagon w/hole
Head Height
Between 0.225 inches and 0.245 inches
Width Between Flats
Between 0.347 inches and 0.361 inches
Extended Washer Diameter
Between 0.465 inches and 0.475 inches
Extended Washer Thickness
Between 0.032 inches and 0.052 inches
Shank Unthreaded Hole Diameter
0.076 inches and 0.086 inches all holes
Thread Diameter
0.2500 inches
Grip Length
1.25 inches
Thready Qty Per Inch (tpi)
28
Material
Nickel alloy 718
Material Specification
Ams 5662 assn standard single material response or ams 5962 assn standard single material response
Surface Treatment
Aluminum
Surface Treatment Specification
Bms10-85, type 1, class a mfr ref single treatment response
Thread Series Designator
Unjf
NSN
5306-01-622-5238
Part Number
BACB30US4K20D
Description
Bolt,machine
CAGE
81205

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 BACB30US4K20D NSN 5306-01-622-5238

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: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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