Model: 11 A/A 1781

Plate Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Dry film lubricant
Mounting Hole Diameter
0.098 inches
Nut Style
Plate
Nut Length
0.801 inches
Nut Height
0.281 inches
Plate Thickness
0.125 inches
Plate Width
0.431 inches
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
0.281 inches
Center To Center Distance Between Mounting Holes Along Length
0.562 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unf
Features Provided
Floating nut
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Steel
Surface Treatment
Cadmium
Specification Data
97942-575r004 manufacturers specification control
NSN
5310-00-687-6581
Part Number
11 A/A 1781
Description
Nut,self-locking,plate
CAGE
U4338

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 11 A/A 1781 NSN 5310-00-687-6581

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
573
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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