Model: 1137-820

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Style
Hexagon
Nut Height
0.594 inches
Width Across Flats
0.750 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Hardness Rating
Not rated
Thread Size
0.500 inches
Bearing Surface Type
Washer faced
Material
Steel
Surface Treatment
Cadmium
NSN
5310-00-497-3892
Part Number
1137-820
Description
Nut,self-locking,hexagon
CAGE
80020

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 1137-820 NSN 5310-00-497-3892

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

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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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