Model: WSI-4-55

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with metallic insert

Mounting Hole Diameter

0.098 inches

Nut Style

Plate

Nut Length

0.985 inches

Nut Height

Between 0.540 inches and 0.560 inches

Plate Thickness

0.060 inches

Plate Width

0.396 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

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.190 inches

Material

Aluminum alloy 6061 except insert

Material

Stainless steel locking insert

Material Specification

Ams 7245 assn standard single material response locking insert

Material Specification

Mil-a-12545 military specification single material response except insert

Surface Treatment

Chromate except insert

Surface Treatment Specification

Mil-c-5541 military specification single treatment response except insert

NSN

5310-00-621-5973

Part Number

WSI-4-55

Description

Nut,self-locking,plate

CAGE

83014

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 WSI-4-55 NSN 5310-00-621-5973

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:

013540

UFC:

05680

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7616995095
SITC: 69979
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Articles of aluminum nesoi