Model: NS202789G4-4E

Plate Self-locking Nut

Special Features:

Two mounting holes located on plate nom. Diameter 0.098 in

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all nonmetallic design
Overall Height
0.745 inches
Nut Height
0.235 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Iron alloy 660 nut
Material
Iron alloy 660 shell
Material
Iron alloy 660 washer
Material
Rubber fluorosilicone class fq seal
Material Specification
Ams 5525 assn standard 1st material response nut or ams 5731 assn standard 2nd material response nut or ams 5737 assn standard 3rd material response nut
Material Specification
Ams 5525 assn standard 1st material response shell or ams 5731 assn standard 2nd material response shell or ams 5737 assn standard 3rd material response shell
Material Specification
Ams 5525 assn standard 1st material response washer or ams 5731 assn standard 2nd material response washer or ams 5737 assn standard 3rd material response washer
Material Specification
Mil-r-25988 military specification single material response seal
Surface Treatment
Passivate nut
Surface Treatment
Passivate shell
Surface Treatment
Passivate washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response nut
Surface Treatment Specification
Qq-p-35 federal specification single treatment response shell
Surface Treatment Specification
Qq-p-35 federal specification single treatment response washer
NSN
5310-01-475-6850
Part Number
NS202789G4-4E
Description
Nut,self-locking,plate
CAGE
80539

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 NS202789G4-4E NSN 5310-01-475-6850

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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