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Recessed Washer NSN 5310-00-209-2708

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 5310-00-209-2708 NSN: 5310-00-209-2708

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Features and Characteristics

Hole Diameter
Between 0.387 inches and 0.395 inches
Outside Diameter
Between 0.865 inches and 0.885 inches
Recess Diameter
Between 0.473 inches and 0.479 inches
Recess Depth
Between 0.033 inches and 0.053 inches
Material Thickness
Between 0.090 inches and 0.100 inches
Recess Angle
90.0 degrees
Material
Steel comp 302 or steel comp 303
Material Specification
Mil-s-5059 military specification single material response or qq-s-764 federal specification single material response
Surface Treatment
Oxide film
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
002092708
NSN
5310002092708

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
365637
Cage Code:
06848
Status:
A
MSDS:
Part Number:
EAB1900
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 5310-00-209-2708
What are the manufacturers of nsn 5310002092708?
Does this nsn 5310002092708 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002092708
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 5310002092708 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002092708 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002092708?
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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