Model: C498-4

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Mounting Hole Diameter

0.098 mils and 0.103 centimeters

Nut Style

Plate

Nut Length

Between 0.926 inches and 0.946 inches

Nut Height

0.560 inches

Plate Thickness

Between 0.025 inches and 0.045 inches

Plate Width

0.516 inches

Nut Mounting Provision

Straight holes

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

0.344 inches

Center To Center Distance Between Mounting Holes Along Length

Between 0.686 inches and 0.690 inches

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unf

Features Provided

Floating nut

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Stainless steel

Surface Treatment

Passivate

NSN

5310-00-916-9802

Part Number

C498-4

Description

Nut,self-locking,plate

CAGE

81755

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 C498-4 NSN 5310-00-916-9802

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:

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:

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