Model: 8526631

Hexagon Self-locking Nut

Special Features:

Upper thd portion deformed elliptically to produce self-locking action

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Nut Height
Between 0.108 inches and 0.123 inches
Width Across Flats
Between 0.240 inches and 0.252 inches
Tempurature Rating
550.0 degrees fahrenheit
Thread Series
Unc
Thready Qty Per Inch (tpi)
40
Hardness Rating
Not rated
Thread Size
0.112 inches
Bearing Surface Type
Any acceptable
Material
Steel
Surface Treatment
Cadmium
NSN
5310-00-550-0743
Part Number
8526631
Description
Nut,self-locking,hexagon
CAGE
18876

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 8526631 NSN 5310-00-550-0743

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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