Model: 398

Hexagon Castellated Plain Nut
Description:

3b thread class, right-hand , castellated, hexagon nut style, 0.406 inches nut height, 0.563 inches width across flats, unf thread series.

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Castellated, hexagon
Nut Height
0.406 inches
Width Across Flats
0.563 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Thread Size
0.375 inches
Bearing Surface Type
Chamfered or washer faced
Material
Steel
Material Specification
Qq-s-633-canc federal specification single material response
Surface Treatment
Cadmium or zinc
NSN
5310-00-012-2531
Part Number
398
Description
Nut,plain,castellated,hexagon
CAGE
11599

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 398 NSN 5310-00-012-2531

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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