Model: 4M373-2

Hexagon Self-locking Nut

Special Features:

This nut is a special feature item

Properties:

Thread Class
3b
Thread Direction
Right-hand
End Application
F/a-18e/f
Thread Series
Unjs
Thready Qty Per Inch (tpi)
28
Thread Size
2.875 inches
Material
Steel comp xm-12
Supplementary Features
Dimensions: outside diameter 4.300 inch, inside diameter 3.059, thickness .565
NSN
5310-01-481-9300
Part Number
4M373-2
Description
Nut,self-locking,hexagon
CAGE
76301

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 4M373-2 NSN 5310-01-481-9300

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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
NO RATING
WCC:
573
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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