Model: NAS1443S9

Lock Washer

Properties:

Hole Diameter
1.844 inches
Outside Diameter
Between 1.916 inches and 1.926 inches
Overall Height
Between 0.346 inches and 0.356 inches
Material Thickness
0.125 inches
Color
Black
Material
Steel comp 4130
Material Specification
Mil-s-18729 military specification single material response or mil-s-6758 military specification single material response
Surface Treatment
Oxide
Surface Treatment Specification
Mil-c-13924 cl1 grade c military specification single treatment response
Style Designator
External teeth
NSN
5310-01-515-3341
Part Number
NAS1443S9
Description
Washer,lock
CAGE
80205

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part NAS1443S9 NSN 5310-01-515-3341

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
14218
FIIG:
A022B0
Concept No.:
1
App. Key:
A
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:
A
ESD:
A
MMAC:
CRITL:
X

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New Products Recently updated in nuts and washers

Schedule B and Export
  • Schedule B: 7318210000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel

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