Model: NAS679C7M

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Nut Height
0.328 inches
Width Across Flats
Between 0.679 inches and 0.690 inches
Tempurature Rating
550.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Hardness Rating
Not rated
Thread Size
0.438 inches
Bearing Surface Type
Any acceptable
Material
Iron alloy 660
Material Specification
Ams 5525 assn standard single material response
Surface Treatment
Passivate
Specification Data
80205-nas679 professional/industrial association standard
NSN
5310-00-816-2508
Part Number
NAS679C7M
Description
Nut,self-locking,hexagon
CAGE
80205

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 NAS679C7M NSN 5310-00-816-2508

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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