Model: 6435-20179-101

Recessed Washer

Special Features:

Extereme outer edges ofboth bearing surfaces rounded

Properties:

Hole Diameter
Between 0.505 inches and 0.510 inches
Outside Diameter
Between 1.240 inches and 1.260 inches
Material Thickness
Between 0.177 inches and 0.180 inches
Min. Tensile Strength (psi)
150000 pounds per square inch
Hardness Rating
Between 34.0 rockwell c and 38.0 rockwell c
Top Recess Diameter
Between 0.604 inches and 0.620 inches
Bottom Recess Angle
90.0 degrees
Top Recess Angle
90.0 degrees
Criticality Code Justification
Feat
Bottom Recess Diameter
Between 0.604 inches and 0.620 inches
Surface Finish
100.0 microinches all surfaces
Material
Steel
Material Specification
Mil-s-5000 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 federal specification single treatment response
Style Designator
Recessed both sides
NSN
5310-00-900-3368
Part Number
6435-20179-101
Description
Washer,recessed
CAGE
78286

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 6435-20179-101 NSN 5310-00-900-3368

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:
SX
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.3000lbs
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:
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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