Model: K1231-3

Plate Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Dry film lubricant or soluble lubricant
Mounting Hole Diameter
0.098 inches
Nut Style
Plate
Nut Length
0.948 inches
Nut Height
Between 0.230 inches and 0.260 inches
Plate Thickness
Between 0.025 inches and 0.035 inches
Plate Width
Between 0.310 inches and 0.350 inches
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
0.344 inches
Center To Center Distance Between Mounting Holes Along Length
0.688 inches
Tempurature Rating
1200.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
32
Thread Size
0.190 inches
Material
Iron alloy 660
Material Specification
Ams 5525 assn standard single material response
Precious Material
Silver
Surface Treatment
Silver
NSN
5310-00-941-6398
Part Number
K1231-3
Description
Nut,self-locking,plate
CAGE
03350

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 K1231-3 NSN 5310-00-941-6398

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:
S
ESD:
ESD:
MMAC:
CRITL:
X

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:
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:
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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