Model: ST3M426C7M

Assembled Washe Self-locking Nut

Properties:

Thread Class
3b
Thread Pitch Diameters
+0.4050/+0.4091 inches
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.760 inches
Counterbore Diameter
0.475 inches nut and 0.484 inches nut
Lubrication
Dry film lubricant
Overall Height
Between 0.383 inches and 0.403 inches
Nut Style
Plain dished
Nut Height
Between 0.326 inches and 0.336 inches
Nut Counterbore Depth
0.067 inches nut and 0.077 inches nut
Width Across Flats
Between 0.492 inches and 0.502 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Thread Size
0.438 inches
Material
Iron alloy 660
Material Specification
Ams5735 assn standard single material response or ams5737 assn standard single material response
Specification Data
76301-st301-st3-426 manufacturers standard
NSN
5310-01-007-4878
Part Number
ST3M426C7M
Description
Nut,self-locking,assembled Washe
CAGE
76301

A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.

Part ST3M426C7M NSN 5310-01-007-4878

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29736
FIIG:
A021A0
Concept No.:
1
App. Key:
BG
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:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:

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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