Model: BFN220-5-4

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.372 inches nut

Lubrication

Dry film lubricant

Overall Height

0.524 inches

Mounting Hole Diameter

Between 0.130 inches and 0.135 inches

Nut Style

Plate

Nut Length

1.396 inches

Nut Height

0.524 inches

Plate Thickness

Between 0.036 inches and 0.044 inches

Plate Width

0.650 inches

Nut Counterbore Depth

0.250 inches first end

Nut Mounting Provision

Straight holes

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

Between 0.495 inches and 0.505 inches

Center To Center Distance Between Mounting Holes Along Length

Between 0.310 inches and 0.314 inches

Thread Series

Unjf

Features Provided

Floating nut

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Material

Iron alloy 660 shell

Material

Steel comp 302 clip

Material Specification

Ams 5525 assn standard single material response shell or ams 5737 assn standard single material response shell or ams 5731 assn standard single material response shell

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

NSN

5310-01-440-5244

Part Number

BFN220-5-4

Description

Nut,self-locking,plate

CAGE

27238

Part BFN220-5-4 NSN 5310-01-440-5244

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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