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Recessed Washer NSN 5310-00-209-2471

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 5310-00-209-2471 NSN: 5310-00-209-2471

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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
Recess Depth
Between 0.040 inches and 0.041 inches
Material Thickness
Between 0.068 inches and 0.076 inches
Recess Angle
90.0 degrees
Special Features
Dye red
Material
Aluminum alloy 7075
Material Specification
Qq-a-225/9 federal specification 1st material response or qq-a-250/12 federal specification 2nd material response
Surface Treatment Specification
Mil-c-5541 military specification single treatment response or qq-a-696 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
002092471
NSN
5310002092471

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2W10-5
Cage Code:
43999
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616108000
  • NAICS: 332722
  • SITC: 69440
  • Description: Cotters, cotter-pins, washers and similar articles, of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-209-2471
What are the manufacturers of nsn 5310002092471?
Does this nsn 5310002092471 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002092471
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 5310002092471 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002092471 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002092471?
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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