Model: 218178

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design or prevailing torque with nonmetallic insert
Nut Height
0.172 inches
Width Across Flats
0.375 inches
Tempurature Rating
258.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
32
Thread Size
0.190 inches
Material
Copper alloy nut
Surface Treatment
Cadmium nut or zinc nut
NSN
5310-00-497-3903
Part Number
218178
Description
Nut,self-locking,hexagon
CAGE
66503

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 218178 NSN 5310-00-497-3903

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
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:
093460
UFC:
48930
LTL:
70.0
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415290000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper screws, nuts, bolts, rivets, and other fasteners not threaded

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