Model: 720201-1

Assembled Washer Screw

Special Features:

Lock washer rockwell c scale 45 to 53

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.559 inches and 0.587 inches
Fastener Length
Between 0.615 inches and 0.635 inches
Head Style
Pan
Head Diameter
Between 0.205 inches and 0.219 inches
Head Height
Between 0.070 inches and 0.080 inches
Washer Quantity
2
Internal Drive Style
Cross recess type 1
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Secondary Washer Relationship To Primary Washer
Not identical
Secondary Washer Style
Flat
Primary Washer Outside Diameter
0.209 inches
Secondary Washer Outside Diameter
0.250 inches
Primary Washer Style
Split helical ring
Primary Washer Material Thickness
Between 0.025 inches and 0.031 inches
Secondary Washer Material Thickness
Between 0.017 inches and 0.031 inches
Material
Steel comp 1010 fastener
Material
Steel comp 1060 primary washer or steel comp 1080 primary washer
Material
Steel comp 1020 secondary washer or steel comp 1025 secondary washer or steel secondary washer
Material Specification
Mil-s-7952 military specification 1st material response secondary washer or mil-s-7952 military specification 2nd material response secondary washer or qq-s-698 federal specification 3rd material response secondary washer
Material Specification
Astm a108 assn standard single material response fastener or astm a575 assn standard single material response fastener
Material Specification
Astma576 assn standard all material responses primary washer
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response
Thread Series Designator
Unc
NSN
5305-00-489-8826
Part Number
720201-1
Description
Screw,assembled Washer
CAGE
05869

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

Part 720201-1 NSN 5305-00-489-8826

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
713
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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