Model: BFN228-4-4

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.300 inches nut

Lubrication

Dry film lubricant

Mounting Hole Diameter

Between 0.098 inches and 0.103 inches

Nut Style

Plate (floating)

Nut Length

1.292 inches

Nut Height

0.466 inches

Plate Thickness

Between 0.028 inches and 0.036 inches

Plate Width

0.574 inches

Nut Counterbore Depth

0.250 inches nut

Nut Mounting Provision

Straight holes

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

0.125 inches

Center To Center Distance Between Mounting Holes Along Length

Between 0.998 inches and 1.002 inches

Thread Series

Unjf

Features Provided

Floating nut

Thready Qty Per Inch (tpi)

A28

Thread Size

0.250 inches

Material

Iron alloy 660 shell

Material

Steel comp 302 clip

Surface Treatment

Passivate

Surface Treatment Specification

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

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

NSN

5310-01-342-0281

Part Number

BFN228-4-4

Description

Nut,self-locking,plate

CAGE

27238

Part BFN228-4-4 NSN 5310-01-342-0281

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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