Model: 70189-6S

Concave Washer

Special Features:

Color black

Properties:

Hole Diameter
Between 0.520 inches and 0.530 inches
Radius
Between 0.485 inches and 0.515 inches
Outside Diameter
Between 0.795 inches and 0.805 inches
Material Thickness
0.140 inches
Hardness Rating
Between 36.0 rockwell c and 44.0 rockwell b
Surface Finish
32.0 microinches top
Material
Steel
Material Specification
Ams 6487 assn standard single material response or mil-s-6049 military specification single material response or mil-s-6758 military specification single material response or mil-s-18729 military specification single material response
Surface Treatment
Nickel and cadmium
Surface Treatment Specification
Ams 2416 assn standard 1st treatment response and ams 2416 assn standard 2nd treatment response
Style Designator
Concave
Specification Data
81205-bacw10ca manufacturers standard
NSN
5310-00-163-7712
Part Number
70189-6S
Description
Washer,concave
CAGE

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes washer (1), recessed and bearing, washer, thrust.

Part 70189-6S NSN 5310-00-163-7712

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15930
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
--
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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