Model: SM-B-447300

Assembled Washer Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.140 inches
Fastener Length
0.325 inches
Head Style
Fillister
Head Diameter
0.173 inches
Head Height
0.098 inches
Washer Quantity
1
Internal Drive Style
Slot
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Hardness Rating
36.0 rockwell c and 38.0 rockwell c
Primary Washer Outside Diameter
0.172 inches
Primary Washer Style
Flat
Primary Washer Material Thickness
Between 0.020 inches and 0.026 inches
Material
Steel comp 4130
Material Specification
Mil-s-6758 cond c and 4 military specification single material response
Surface Treatment
Passivate head
Surface Treatment Specification
Mil-f-14072 -262a military specification single treatment response head
Thread Series Designator
Unc
NSN
5305-01-103-4155
Part Number
SM-B-447300
Description
Screw,assembled Washer
CAGE
80063

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

Part SM-B-447300 NSN 5305-01-103-4155

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06660
FIIG:
A003B0
Concept No.:
App. Key:
SA
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

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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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