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Flat Washer

NSN 5310-00-081-5394 | NIIN 00-081-5394
NSN 5310-00-081-5394 NSN: 5310-00-081-5394
Description:

Rectangular cross-sectional shape style, 0.183" hole diameter, round peripheral shape style, 1 round center hole shape style, 0.053" thickness

Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.183 inches and 0.203 inches
Edge Shape
Round
Center Hole Shape
Round
Thickness
Between 0.053 inches and 0.073 inches
Overall Diameter
Between 0.802 inches and 0.822 inches
Material
Steel comp 321
Material Specification
MIL-S-6721 military specification single material response
Surface Treatment
Passivate
FSC
5310 Nuts And Washers
NIIN
000815394
NSN
5310000815394

Manufacturer Part Numbers

Alternate part numbers that match this National Stock Number
Part Number
Cage
Status
MSDS
Part Number:
1560H13-166-4
Cage Code:
81996
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 5310-00-081-5394
What are the manufacturers of nsn 5310000815394?
Does this nsn 5310000815394 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000815394
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 5310000815394 contain any precious metals?
No precious metal content.
Does nsn 5310000815394 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000815394?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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