Model: 172B5159P1

Lock Washer

Special Features:

2 projections 0.065in.High on bearing surface

Properties:

Hole Diameter
0.190 inches
Outside Diameter
0.440 inches
Overall Height
0.180 inches
Surface Finish
63.0 microinches all surfaces
Material
Steel comp 303
Material Specification
Astm a581 cond a assn standard single material response or astm a582 cond a assn standard single material response
NSN
5310-01-187-5406
Part Number
172B5159P1
Description
Washer,lock
CAGE
89954

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 172B5159P1 NSN 5310-01-187-5406

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:
ESD:
MMAC:
JF
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
50.0
WCC:
573
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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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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