Model: 1905-2059

Hexagon Castellated Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Castellated, hexagon
Nut Height
0.688 inches
Width Across Flats
0.750 inches
Thread Series
Unf
Features Provided
Casehardened
Thready Qty Per Inch (tpi)
20
Thread Size
0.500 inches
Material
Steel comp 1120
Material Specification
Sae assn standard single material response
NSN
5310-00-423-7291
Part Number
1905-2059
Description
Nut,plain,castellated,hexagon
CAGE
93568

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.

Part 1905-2059 NSN 5310-00-423-7291

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01854
FIIG:
A021A0
Concept No.:
1
App. Key:
AG
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:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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