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Flat Washer

NSN 5310-00-020-3201 | NIIN 00-020-3201
NSN 5310-00-020-3201 NSN: 5310-00-020-3201
Description:

0.255" hole diameter, anodize surface treated

Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.255 inches and 0.265 inches
Edge Shape
Round
Center Hole Shape
Round
Thickness
Between 0.067 inches and 0.075 inches
Overall Diameter
0.688 inches
Material
Aluminum alloy 6061
Material Specification
QQ-A-200/8 federal specification single material response
Surface Treatment
Anodize
FSC
5310 Nuts And Washers
NIIN
000203201
NSN
5310000203201

Manufacturer Part Numbers

Alternate part numbers that match this National Stock Number
Part Number
Cage
Status
MSDS
Part Number:
19322
Cage Code:
99643
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616108000
  • NAICS: 332722
  • SITC: 69440
  • Description: Cotters, cotter-pins, washers and similar articles, of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-020-3201
What are the manufacturers of nsn 5310000203201?
Does this nsn 5310000203201 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000203201
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.
Does nsn 5310000203201 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000203201 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000203201?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13393
FIIG:
A022B0
App. Key:
B
Cond. Code:
1
Status:
A

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