Model: ST3M426C05M

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.340 inches

Counterbore Diameter

0.185 inches nut and 0.195 inches nut

Lubrication

Dry film lubricant

Overall Height

Between 0.206 inches and 0.226 inches

Nut Style

Double hexagon

Washer Thickness

Between 0.067 inches and 0.077 inches

Width Across Flats

Between 0.213 inches and 0.221 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.164 inches

Countersink Angle

40.0 degrees nut and 50.0 degrees nut

Material

Iron alloy 660

Material Specification

Ams 5735 assn standard single material response or ams 5737 assn standard single material response

Specification Data

76301-st3-426 manufacturers standard

NSN

5310-00-332-4825

Part Number

ST3M426C05M

Description

Nut,self-locking,extended Washer

CAGE

76301

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 ST3M426C05M NSN 5310-00-332-4825

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29729

FIIG:

A021A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

013540

UFC:

05680

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

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