Model: 9488 04

Concave Washer

Properties:

Hole Diameter
Between 0.253 inches and 0.263 inches
Radius
Between 0.218 inches and 0.238 inches
Outside Diameter
Between 0.390 inches and 0.400 inches
Recess Diameter
Between 0.272 inches and 0.282 inches
Material Thickness
Between 0.062 inches and 0.087 inches
Hardness Rating
Between 40.0 rockwell c and 46.0 rockwell c
Material
Steel comp 8740
Material Specification
Aisi assn standard single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response
Style Designator
Concave
NSN
5310-01-124-5194
Part Number
9488 04
Description
Washer,concave
CAGE
019L2

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 9488 04 NSN 5310-01-124-5194

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
Q

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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