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Flat Washer NSN 5310-01-520-5732

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 5310-01-520-5732 NSN: 5310-01-520-5732

Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.224 inches and 0.234 inches
Edge Shape
Round
Center Hole Shape
1 round
Thickness
0.020 inches
Overall Diameter
Between 0.315 inches and 0.330 inches
End Application
F18 e/f
Criticality Code Justification
Agav
Special Features
These washers are to be used with pin and collar fastners and blind bolts where structure cannot be chamfered to accept head to shank fillets.Applicable process specs will authorize their use
Material
Titanium alloy
Material Specification
Mil-t-9046, type iii, composition c, condition annealed military specification single material response
FSC
5310 Nuts And Washers
NIIN
015205732
NSN
5310015205732

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
ST4M146-6V
Cage Code:
76301
Status:
A
MSDS:
Part Number:
10317580
Cage Code:
A486G
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8108908000
  • NAICS: 331491
  • SITC: 69985
  • Description: Other wrought titanium, nesoi
  • End Use (Code 12290):
    Nonferrous metals, other

Q & A

Frequently asked questions for NSN 5310-01-520-5732
What are the manufacturers of nsn 5310015205732?
Does this nsn 5310015205732 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310015205732
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 5310015205732 contain any precious metals?
No precious metal content.
Does nsn 5310015205732 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310015205732?
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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