8-3497

Flat Washer

NSN 5310-00-273-7658

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
002737658

Technical Specifications of NSN

Cross Sectional Shape:
Rectangular
Hole Diameter:
Between 0.172 inches and 0.176 inches
Edge Shape:
Round
Center Hole Shape:
1 round
Center Hole Shape:
Round
Thickness:
Between 0.028 inches and 0.034 inches
Overall Diameter:
0.438 inches
Material:
Steel comp 1010
Material Specification:
Sae assn standard single material response
NSN:
5310-00-273-7658
Item Name:
Washer,belleville
Cage Code:
57712

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
83497
Cage Code:
70408
RNCC:
5
RNVC:
9
RNAAC:
48
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13393
FIIG:
A022B0
Concept No.:
1
App. Key:
B
Cond. Code:
1
Status:
A

Part Materials

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

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Belleville Washer"

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.

MOE Major Organizational Entities

Entity
DSOR
User:
CANADA Canada
DSOR:
Import / Export
  • Schedule B: 7318220000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Classification: Washers other than lock washers, iron or steel


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