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Recessed Washer NSN 5310-00-285-8146

Item Description

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

NSN 5310-00-285-8146 NSN: 5310-00-285-8146

  Stock Availability

NSN 5310002858146 availability
(as of 06/30/2021).

  • NS: 26
  • NE: 1

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

Hole Diameter
Between 0.315 inches and 0.324 inches
Outside Diameter
Between 0.583 inches and 0.603 inches
Recess Diameter
Between 0.396 inches and 0.406 inches
Material Thickness
Between 0.068 inches and 0.088 inches
Recess Angle
Between 88.0 degrees and 92.0 degrees
Special Features
Outside chamfered 45 degrees by 0.060
Material
Steel comp 8630
Material Specification
Mil-s-6050 military specification single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
002858146
NSN
5310002858146

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
345570
Cage Code:
98897
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 5310-00-285-8146
What are the manufacturers of nsn 5310002858146?
Does this nsn 5310002858146 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002858146
A washer of any peripheral shape having a centrally located hole. both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. the thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. the maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. excludes washer, concave, retainer, packing, and thrust type washers. see also spacer, sleeve; and spacer, stepped.
Does nsn 5310002858146 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002858146 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002858146?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15933
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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