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Flat Washer NSN 5310-01-228-0595

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 5310-01-228-0595 NSN: 5310-01-228-0595

Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
0.290 inches
Edge Shape
Round
Center Hole Shape
1 round
Thickness
0.062 inches
Overall Diameter
Between 0.555 inches and 0.560 inches
Criticality Code Justification
Zzzy
Material
Nickel alloy
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
FSC
5310 Nuts And Washers
NIIN
012280595
NSN
5310012280595

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
845-4497106 PC 203
Cage Code:
80064
Status:
A
MSDS:
Part Number:
243028 PC 203
Cage Code:
43689
Status:
A
MSDS:
Part Number:
845-2445088PC203
Cage Code:
80064
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7508900000
  • NAICS: 332999
  • SITC: 69975
  • Description: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-228-0595
What are the manufacturers of nsn 5310012280595?
Does this nsn 5310012280595 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012280595
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 5310012280595 contain any precious metals?
No precious metal content.
Does nsn 5310012280595 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012280595?
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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