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Flat Washer NSN 5310-01-657-3501

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 5310-01-657-3501 NSN: 5310-01-657-3501

Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.649 inches and 0.686 inches
Edge Shape
Round
Center Hole Shape
Round
Thickness
Between 0.074 inches and 0.121 inches
Overall Diameter
Between 1.183 inches and 1.220 inches
End Application
Mrap - m-atv
Color
Black
Material
Steel
Surface Treatment
Phosphate and zinc
FSC
5310 Nuts And Washers
NIIN
016573501
NSN
5310016573501

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4169566
Cage Code:
75Q65
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5310-01-657-3501
What are the manufacturers of nsn 5310016573501?
Does this nsn 5310016573501 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310016573501
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 5310016573501 contain any precious metals?
Precious metals vary between manufacturers.
Does nsn 5310016573501 contain any hazardous materials?
Hazardous material unknown.
What is the ESD classification of nsn 5310016573501?
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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