Model: W6581

Recessed Washer

Properties:

Hole Diameter
Between 0.126 inches and 0.129 inches
Outside Diameter
Between 0.278 inches and 0.284 inches
Recess Diameter
Between 0.135 inches and 0.145 inches
Recess Depth
Between 0.003 inches and 0.013 inches
Material Thickness
Between 0.018 inches and 0.022 inches
Recess Angle
90.0 degrees
Material
Steel comp 304
Material Specification
Aisi assn standard single material response
Surface Treatment
Passivate
Style Designator
15 recessed
Style Designator
Recessed
NSN
5310-00-209-2702
Part Number
W6581
Description
Washer,recessed
CAGE
70255

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 W6581 NSN 5310-00-209-2702

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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