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Flat Washer NSN 5310-00-891-1805

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 5310-00-891-1805 NSN: 5310-00-891-1805
NSN Flat Washer NSN 5310-00-891-1805 image

  Stock Availability

NSN 5310008911805 availability
(as of 07/19/2024).

  • NS: 219
  • NE: 2760

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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Features and Characteristics

Cross Sectional Shape
Rectangular
Width
0.770 inches
Edge Shape
Elliptical
Center Hole Shape
Elliptical
Thickness
Between 0.010 inches and 0.020 inches
Length
1.010 inches
Center Hole Length
0.660 inches
Center Hole Width
0.410 inches
Inside Radius
0.156 inches
Outside Radius
0.375 inches
Material
Copper alloy
Surface Treatment
Nickel
Specification Data
81205-bacw10bd manufacturers standard
FSC
5310 Nuts And Washers
NIIN
008911805
NSN
5310008911805

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BACW10BD1
Cage Code:
77272
Status:
A
MSDS:
Part Number:
91-BS-78505-1A
Cage Code:
13940
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-891-1805
What are the manufacturers of nsn 5310008911805?
Does this nsn 5310008911805 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008911805
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 5310008911805 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008911805 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008911805?
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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