Model: F52891-3-7

Plate Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Counterbore Diameter
0.194 inches first end
Lubrication
Dry film lubricant
Mounting Hole Diameter
Between 0.098 inches and 0.103 inches
Nut Style
Plate (floating)
Nut Length
0.948 inches
Nut Height
0.620 inches
Plate Thickness
Between 0.028 inches and 0.036 inches
Plate Width
0.474 inches
Nut Counterbore Depth
0.437 inches first end
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
Between 0.339 inches and 0.349 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
Unjf
Features Provided
Floating nut
Thready Qty Per Inch (tpi)
32
Thread Size
0.190 inches
Material
Iron alloy 660 nut
Material
Iron alloy 660 shell
Material
Stainless steel clip
Material Specification
Ams 5525 assn standard single material response nut or ams 5732 assn standard single material response nut
Material Specification
Ams 5525 assn standard single material response shell or ams 5732 assn standard single material response shell
Surface Treatment
Passivate nut
Surface Treatment
Passivate shell
Surface Treatment Specification
Qq-p-35 federal specification single treatment response nut
Surface Treatment Specification
Qq-p-35 federal specification single treatment response shell
NSN
5310-01-444-7381
Part Number
F52891-3-7
Description
Nut,self-locking,plate
CAGE
15653

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 F52891-3-7 NSN 5310-01-444-7381

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
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

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