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Flat Washer NSN 5310-00-221-9743

Item Description

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.

NSN 5310-00-221-9743 NSN: 5310-00-221-9743

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Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
0.515 inches
Edge Shape
Round
Center Hole Shape
Round
Thickness
0.062 inches
Overall Diameter
1.000 inches
Material
Copper alloy
Material Specification
Qq-c-576 hot rolled annealed federal specification single material response or sstm b152 soft annealed assn standard single material response
FSC
5310 Nuts And Washers
NIIN
002219743
NSN
5310002219743

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7368549
Cage Code:
19207
Status:
A
MSDS:
Part Number:
CS-2300-0001 REV B
Cage Code:
16236
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-221-9743
What are the manufacturers of nsn 5310002219743?
Does this nsn 5310002219743 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002219743
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 5310002219743 contain any precious metals?
No precious metal content.
Does nsn 5310002219743 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002219743?
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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