Model: 243898-40

Assembled Washe Self-locking Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.281 inches
Overall Height
0.109 inches
Nut Style
External tooth
Nut Height
0.094 inches
Width Across Flats
0.250 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
40
Thread Size
0.112 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Surface Treatment
Cadmium
NSN
5310-01-395-7784
Part Number
243898-40
Description
Nut,self-locking,assembled Washe
CAGE

A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.

Part 243898-40 NSN 5310-01-395-7784

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29736
FIIG:
A021A0
Concept No.:
1
App. Key:
BG
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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