Model: 92185M4

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.560 inches
Counterbore Diameter
0.342 inches first end and 0.352 inches first end
Lubrication
Dry film lubricant
Overall Height
Between 0.312 inches and 0.332 inches
Nut Style
Double hexagon
Washer Thickness
Between 0.072 inches and 0.087 inches
Width Across Flats
0.420 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Iron alloy 660
Material Specification
Ams 5737 assn standard single material response or ams 5732 assn standard single material response or ams 5525 assn standard single material response
Surface Treatment
Cadmium washer and chromate washer
Surface Treatment
Passivate nut
Surface Treatment Specification
Qq-p-35 federal specification single treatment response nut
Surface Treatment Specification
Qq-p-416 type 2 class 2 federal specification single treatment response washer
NSN
5310-01-449-3180
Part Number
92185M4
Description
Nut,self-locking,extended Washer
CAGE
56878

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part 92185M4 NSN 5310-01-449-3180

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29729
FIIG:
A021A0
Concept No.:
1
App. Key:
BS
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:
BA
CRITL:
X

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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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