Model: BFN228-4-4

Plate Self-locking Nut

Properties:

Thread Class
3b
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.:
1
App. Key:
BZ
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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