Model: A4090-1-030

Extended Washer Self-locking Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
Between 0.990 inches and 1.010 inches
Overall Height
Between 0.490 inches and 0.510 inches
Nut Style
Hexagon
Washer Thickness
Between 0.052 inches and 0.072 inches
Width Across Flats
Between 0.740 inches and 0.750 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
13
Thread Size
0.500 inches
Material
Steel
NSN
5310-01-367-8954
Part Number
A4090-1-030
Description
Nut,self-locking,extended Washer
CAGE
13800

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part A4090-1-030 NSN 5310-01-367-8954

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29730
FIIG:
A021A0
Concept No.:
1
App. Key:
BT
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:
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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