Model: 9495-99

Recessed Washer

Properties:

Hole Diameter
Between 1.320 inches and 1.340 inches
Outside Diameter
Between 1.830 inches and 1.850 inches
Overall Height
Between 0.115 inches and 0.135 inches
Recess Depth
Between 0.065 inches and 0.066 inches
Material Thickness
Between 0.059 inches and 0.060 inches
Surface Finish
250.0 microinches top
Surface Finish
40.0 microinches bottom
Surface Finish
40.0 microinches counterbore wall
Material
Copper alloy 953
Material Specification
Qq-c-390 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response
Style Designator
Recessed
NSN
5310-00-662-4137
Part Number
9495-99
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 9495-99 NSN 5310-00-662-4137

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:
LE
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:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 7415210000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper washers including spring washers not threaded

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