Model: 42FLW720

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Free-running all metal design
Washer Outside Diameter
Between 0.713 inches and 0.763 inches
Lubrication
Dry film lubricant
Overall Height
Between 0.496 inches and 0.516 inches
Nut Style
Double hexagon
Washer Thickness
Between 0.059 inches and 0.079 inches
Width Across Flats
Between 0.533 inches and 0.564 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Hardness Rating
40.0 rockwell c
Thread Size
0.4375 inches
Material
Steel
Material Specification
Ams 6280 assn standard single material response or ms 6300 assn standard single material response or ams 6322 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, ty i, cl 2 federal specification single treatment response
NSN
5310-01-455-8291
Part Number
42FLW720
Description
Nut,self-locking,extended Washer
CAGE
56878

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part 42FLW720 NSN 5310-01-455-8291

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29729
FIIG:
A021A0
Concept No.:
1
App. Key:
BS
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:
A
ESD:
A
ESD:
A
MMAC:
LE
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
--
WCC:
713
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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