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Flat Washer NSN 5310-00-190-0102

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 5310-00-190-0102 NSN: 5310-00-190-0102

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Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
0.328 inches
Edge Shape
Round
Center Hole Shape
Round
Thickness
0.050 inches
Overall Diameter
0.438 inches
Material
Steel comp 1018 or steel comp 1020 or steel comp 1025
Material Specification
Mil-s-7097-canc military specification all material responses
FSC
5310 Nuts And Washers
NIIN
001900102
NSN
5310001900102

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
N64202PC10
Cage Code:
62983
Status:
A
MSDS:
Part Number:
3X52769
Cage Code:
62983
Status:
A
MSDS:
Part Number:
B3X52769
Cage Code:
62983
Status:
A
MSDS:
Part Number:
293828PC10
Cage Code:
10001
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318220000
  • NAICS: 332722
  • SITC: 69422
  • Description: Washers other than lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-190-0102
What are the manufacturers of nsn 5310001900102?
Does this nsn 5310001900102 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001900102
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 5310001900102 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001900102 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001900102?
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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