Model: 31W223

Recessed Washer

Properties:

Hole Diameter
Between 1.629 inches and 1.633 inches
Outside Diameter
Between 3.170 inches and 3.175 inches
Overall Height
Between 0.120 inches and 0.125 inches
Recess Diameter
Between 1.754 inches and 1.758 inches
Recess Depth
0.062 inches
Recess Angle
90.000 degrees
Material
Steel comp 1010 and steel comp 1025
Material Specification
Sae assn standard single material response
Style Designator
15 recessed
Style Designator
Recessed
NSN
5310-00-350-2913
Part Number
31W223
Description
Washer,recessed
CAGE

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

Part 31W223 NSN 5310-00-350-2913

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15933
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
50.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318220000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Washers other than lock washers, iron or steel

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