Model: 1040679

Square Plain Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Nut Style
Square
Nut Height
0.125 inches
Width Across Flats
0.250 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
40
Thread Size
0.138 inches
Bearing Surface Type
Flat
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
50, fscm 77948 mfr ref single treatment response
NSN
5310-00-421-9160
Part Number
1040679
Description
Nut,plain,square
CAGE

A nut, flat on top and bottom, having 4 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part 1040679 NSN 5310-00-421-9160

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01858
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

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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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