Model: WLA1220GRB

Hexagon Self-locking Nut

Special Features:

Head markings indented at 120.0 degrees

Properties:

Thread Class
2b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Dry film lubricant
Nut Style
Hexagon
Nut Height
Between 0.427 inches and 0.448 inches
Width Across Flats
Between 0.736 inches and 0.7520 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Hardness Rating
32.0 rockwell c
Thread Size
0.500 inches
Bearing Surface Type
Chamfered or washer faced
Material
Steel
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416 federal specification 1st treatment response or qq-z-325 federal specification 2nd treatment response
Nondefinitive Specification/std Data
1 type and b grade
NSN
5310-00-830-7698
Part Number
WLA1220GRB
Description
Nut,self-locking,hexagon
CAGE
82458

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 WLA1220GRB NSN 5310-00-830-7698

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:
--
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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