Model: MS21043-4

Hexago Extended Washer Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Washer Outside Diameter
0.420 inches
Lubrication
Soluble lubricant
Overall Height
Between 0.204 inches and 0.219 inches
Nut Style
Hexagon
Washer Thickness
0.019 inches
End Application
Engine model for kc-13j
Width Across Flats
Between 0.304 inches and 0.316 inches
Tempurature Rating
800.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Stainless steel
Material Specification
Ams5525 assn standard single material response or ams5735 assn standard single material response
NSN
5310-01-463-8779
Part Number
MS21043-4
Description
Nut,plain,extended Washer,hexago
CAGE
1E0F1

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.

Part MS21043-4 NSN 5310-01-463-8779

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04889
FIIG:
A021A0
Concept No.:
1
App. Key:
AP
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:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
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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