Model: 178471

Assembled Washer Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.500 inches
Fastener Length
0.500 inches
Head Style
Round
Head Diameter
Between 0.334 inches and 0.359 inches
Head Height
Between 0.124 inches and 0.136 inches
Washer Quantity
1
Internal Drive Style
Torque
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Primary Washer Outside Diameter
Between 0.370 inches and 0.381 inches
Primary Washer Style
Flat external teeth
Primary Washer Material Thickness
0.020 inches
Material
Steel comp 1010 or steel comp 1015 or steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1211 or steel comp 1212 or steel comp 1213
Material Specification
Qq-s-633 fs1010 to fs1020 federal specification single material response
Surface Treatment
Cadmium
Thread Series Designator
Unf
NSN
5305-00-017-8471
Part Number
178471
Description
Screw,assembled Washer
CAGE
7X677

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

Part 178471 NSN 5305-00-017-8471

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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