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Flat Washer NSN 5310-00-139-7030

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 5310-00-139-7030 NSN: 5310-00-139-7030

  Stock Availability

NSN 5310001397030 availability
(as of 03/18/2020).

  • NS: 16

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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  •   7 Year Record Retention
  •   On Time Delivery
  •   HAZMAT Certified
  •   Worldwide Shipping

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Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
0.656 inches
Edge Shape
Round
Center Hole Shape
Round
Thickness
Between 0.195 inches and 0.225 inches
Overall Diameter
1.190 inches
Features Provided
Casehardened
Hardness Rating
Between 40.0 rockwell c and 50.0 rockwell c
Material
Steel
Material Specification
1e357, fscm 11083 mfr ref single material response
FSC
5310 Nuts And Washers
NIIN
001397030
NSN
5310001397030

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4D3704
Cage Code:
11083
Status:
A
MSDS:
Part Number:
5CA977
Cage Code:
45152
Status:
A
MSDS:
Part Number:
CV121929
Cage Code:
KCQ24
Status:
A
MSDS:
Part Number:
4D-3704
Cage Code:
U8468
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 5310-00-139-7030
What are the manufacturers of nsn 5310001397030?
Does this nsn 5310001397030 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001397030
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 5310001397030 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001397030 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001397030?
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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