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Recessed Washer NSN 5310-00-209-1678

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 5310-00-209-1678 NSN: 5310-00-209-1678

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Features and Characteristics

Hole Diameter
Between 1.500 inches and 1.515 inches
Outside Diameter
Between 1.901 inches and 1.911 inches
Overall Height
Between 0.217 inches and 0.221 inches
Recess Depth
Between 0.136 inches and 0.146 inches
Material Thickness
0.114 inches
Features Provided
Casehardened
Hardness Rating
Between 64.0 rockwell c and 68.0 rockwell c
Material
Steel
Material Specification
Mil-s-6709 cond a military specification single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
002091678
NSN
5310002091678

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
624622
Cage Code:
99167
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 5310-00-209-1678
What are the manufacturers of nsn 5310002091678?
Does this nsn 5310002091678 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002091678
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 5310002091678 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002091678 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002091678?
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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