Model: 8KP447

Spring Tension Washer

Properties:

Hole Diameter
Between 10.5 millimeters and 10.9 millimeters
Outside Diameter
Between 17.45 millimeters and 18.55 millimeters
Overall Height
Between 2.0 millimeters and 4.0 millimeters
Material Thickness
Between 0.74 millimeters and 0.86 millimeters
Hardness Rating
Between 82.0 rockwell superficial 15-n and 85.5 rockwell superficial 15-n
Material
Steel comp 1050 or steel comp 1055 or steel comp 1060 or steel comp 1064 or steel comp 1065 or steel comp 1070 or steel comp 1074 or steel comp 1080 or steel comp 1085 or steel comp 1086 or steel comp 1095
Material Specification
Astm a682 assn standard all material responses
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response or mil-c-81562, type 2, cl 2 military specification single treatment response
Style Designator
Spring tension
NSN
5310-01-388-4955
Part Number
8KP447
Description
Washer,spring Tension
CAGE
45152

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

Part 8KP447 NSN 5310-01-388-4955

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15938
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:
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:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318210000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel

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