Model: 20-545

Hexag Cone Seat Self-locking Nut

Special Features:

Cone 0.125 lg. By 1.500 inch outside diameter and chamfer on cone 30 degrees by 0.062 inch deep

Properties:

Thread Class
4b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Nut Style
Cone seat, hexagon
Nut Height
0.500 inches
Width Across Flats
1.625 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
12
Thread Size
1.250 inches
Cone Seat Angle
90.00 degrees
Material
Copper alloy
NSN
5310-00-264-1382
Part Number
20-545
Description
Nut,self-locking,cone Seat,hexag
CAGE
27235

A nut having 6 flat sides and a cone seat bearing surface. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, single ball seat, hexagon.

Part 20-545 NSN 5310-00-264-1382

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29727
FIIG:
A021A0
Concept No.:
1
App. Key:
BP
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:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415290000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper screws, nuts, bolts, rivets, and other fasteners not threaded

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