Model: 490258

Plate Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Mounting Hole Diameter
Between 0.098 inches and 0.103 inches
Nut Style
Plate
Nut Length
Between 0.976 inches and 1.006 inches
Nut Height
Between 0.235 inches and 0.250 inches
Plate Thickness
Between 0.055 inches and 0.075 inches
Plate Width
Between 0.380 inches and 0.400 inches
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
Between 0.329 inches and 0.359 inches
Center To Center Distance Between Mounting Holes Along Length
Between 0.310 inches and 0.314 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
32
Hardness Rating
Between 24.0 rockwell c and 32.0 rockwell c
Thread Size
0.190 inches
Countersink Angle
85.0 degrees nut and 95.0 degrees nut
Material
Steel comp 1137
Material Specification
Ams 5024 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
NSN
5310-00-152-4658
Part Number
490258
Description
Nut,self-locking,plate
CAGE
77445

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 490258 NSN 5310-00-152-4658

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:
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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