Model: K359250-15

Shouldered And Recessed Washer

Properties:

Hole Diameter
0.328 inches
Shoulder Diameter
0.450 inches
Outside Diameter
0.820 inches
Shoulder Height
Between 0.025 inches and 0.035 inches
Material Thickness
0.062 inches
Hardness Rating
Between 92.3 rockwell b and 26.0 rockwell c
Surface Finish
100.0 microinches bottom
Surface Finish
100.0 microinches counterbore face
Surface Finish
100.0 microinches counterbore wall
Surface Finish
100.0 microinches inner
Surface Finish
100.0 microinches outer
Surface Finish
100.0 microinches shoulder face
Surface Finish
40.0 microinches top
Material
Steel comp 4130
Material Specification
Mil-s-6758 military specification single material response
Style Designator
Shouldered and recessed
NSN
5310-00-797-1740
Part Number
K359250-15
Description
Washer,shouldered And Recessed
CAGE
84955

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

Part K359250-15 NSN 5310-00-797-1740

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15935
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:
--
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: 7616108000
  • SITC: 69440
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Cotters, cotter-pins, washers and similar articles, of aluminum

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