Model: 2A40731

Hexagon Self-locking Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Locking Feature
Free-running all metal design
Nut Height
0.250 inches
Width Across Flats
0.375 inches
Thread Series
Unef
Thready Qty Per Inch (tpi)
32
Thread Size
0.250 inches
Material
Copper alloy
Surface Treatment
Nickel
NSN
5310-00-222-4255
Part Number
2A40731
Description
Nut,self-locking,hexagon
CAGE
94990

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 2A40731 NSN 5310-00-222-4255

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:
093460
UFC:
48930
LTL:
70.0
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415290000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper screws, nuts, bolts, rivets, and other fasteners not threaded

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