Model: ES3958-04

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.194 inches nut

Lubrication

Dry film lubricant

Mounting Hole Diameter

Between 0.098 inches and 0.103 inches

Nut Style

Plate

Nut Length

0.734 inches

Distance From Base To Center Of Aperture

Between 0.205 inches and 0.215 inches

Nut Height

0.250 inches

Plate Thickness

0.032 inches

Plate Width

0.415 inches

Nut Counterbore Depth

0.062 inches nut

Nut Mounting Provision

Straight holes

Mounting Hole Arrangement Style

2 holes

Distance From Mounting Hole Center To Base

Between 0.370 inches and 0.380 inches

Center To Center Distance Between Mounting Holes Along Length

Between 0.217 inches and 0.221 inches

Tempurature Rating

500.0 degrees fahrenheit

Thread Series

Unf

Features Provided

Floating nut

Thready Qty Per Inch (tpi)

Thread Size

0.190 inches

Material

Iron alloy 660 or steel comp 302

Material Specification

Ams 5732 assn standard 1st material response or aisi assn standard 2nd material response

Surface Treatment

Passivate nut

NSN

5310-00-816-3504

Part Number

ES3958-04

Description

Nut,self-locking,plate

CAGE

20418

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part ES3958-04 NSN 5310-00-816-3504

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05280

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

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