Model: 4040D7

Hexagon Self-locking Nut

Properties:

Thread Pitch Diameters
+0.4050/+0.4076 inches
Thread Direction
Right-hand
Locking Feature
Prevailing torque all nonmetallic design or prevailing torque with nonmetallic insert
Nut Style
Hexagon
Nut Height
Between 0.443 inches and 0.469 inches
Width Across Flats
Between 0.618 inches and 0.627 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Thread Size
0.438 inches
Bearing Surface Type
Flat
Material
Steel comp 1137
Material Specification
Ams 5024 assn standard single material response
Surface Treatment
Cadmium
NSN
5310-00-596-5866
Part Number
4040D7
Description
Nut,self-locking,hexagon
CAGE
0AHP5

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 4040D7 NSN 5310-00-596-5866

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:
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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