Model: 221979

Machine Bolt
Description:

2a thread class, right-hand , 0.618 inches thread length, 0.718 inches fastener length, hexagon head style, 0.312 inches head height.

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.618 inches and 0.718 inches
Fastener Length
Between 0.718 inches and 0.782 inches
Head Style
Hexagon
Head Height
Between 0.312 inches and 0.327 inches
Width Between Flats
Between 0.736 inches and 0.750 inches
Locking Feature
Distortions bearing surface of head
Thread Diameter
0.500 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
95000 pounds per square inch
Hardness Rating
96.0 rockwell b and 104.0 rockwell b
Minimum Yield Strength
85000 pounds per square inch
Material
Steel comp 1035
Material Specification
Qq-s-634 federal specification single material response
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416, type 1 cl 2 federal specification 1st treatment response or qq-z-325, type 1 cl2 federal specification 2nd treatment response
Thread Series Designator
Unf
NSN
5306-00-022-1979
Part Number
221979
Description
Bolt,machine
CAGE
24617

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 221979 NSN 5306-00-022-1979

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

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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