Model: A7478-5

Assembled Washer Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.312 inches
Fastener Length
0.312 inches
Head Style
Round
Head Diameter
Between 0.193 inches and 0.211 inches
Head Height
Between 0.075 inches and 0.086 inches
Washer Quantity
1
Internal Drive Style
Slot
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Min. Tensile Strength (psi)
60000 pounds per square inch
Primary Washer Outside Diameter
Between 0.220 inches and 0.230 inches
Primary Washer Style
Flat external teeth
Primary Washer Material Thickness
Between 0.014 inches and 0.018 inches
Material
Steel comp 1010
Surface Treatment
Cadmium
Thread Series Designator
Unc
NSN
5305-00-685-7937
Part Number
A7478-5
Description
Screw,assembled Washer
CAGE
07639

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

Part A7478-5 NSN 5305-00-685-7937

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:
--
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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