Model: CMS0721-2

Assembled Washer Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.170 inches and 0.210 inches
Fastener Length
Between 0.594 inches and 0.625 inches
Head Style
Flat chamfer
Head Diameter
Between 0.218 inches and 0.226 inches
Head Height
Between 0.134 inches and 0.138 inches
Washer Quantity
1
Internal Drive Style
Hexagon
Thread Diameter
0.138 inches
Width Across Flats
Between 0.109 inches and 0.111 inches
Features Provided
Dry film lubricant
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Minimum Yield Strength
90000 pounds per square inch
Primary Washer Outside Diameter
Between 0.262 inches and 0.282 inches
Primary Washer Style
Flat
Primary Washer Material Thickness
Between 0.016 inches and 0.020 inches
Material
Iron alloy 660 fastener
Material
Steel primary washer
Material Specification
Ams 5731 assn standard single material response fastener
Material Specification
Qq-s-766, 300 series assn standard all material responses primary washer
Surface Treatment
Passivate fastener
Surface Treatment
Passivate primary washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response primary washer
Thread Series Designator
Unrc
NSN
5305-01-409-0899
Part Number
CMS0721-2
Description
Screw,assembled Washer
CAGE
67012

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

Part CMS0721-2 NSN 5305-01-409-0899

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

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