Model: 351990

Spring Tension Washer

Properties:

Hole Diameter
Between 4.665 inches and 4.685 inches
Outside Diameter
Between 4.820 inches and 4.830 inches
Overall Height
0.145 inches
Material Thickness
Between 0.057 inches and 0.067 inches
Part Name Assigned By Controlling Agency
Navy special project
Heat Treatment
As fabricated
Material
Steel comp x
NSN
5310-00-584-3870
Part Number
351990
Description
Washer,spring Tension
CAGE
77445

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

Part 351990 NSN 5310-00-584-3870

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:
--
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: 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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