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Recessed Washer NSN 5310-00-839-4393

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 5310-00-839-4393 NSN: 5310-00-839-4393

Features and Characteristics

Hole Diameter
Between 1.003 inches and 1.007 inches
Outside Diameter
Between 1.474 inches and 1.484 inches
Overall Height
0.094 inches
Recess Depth
0.077 inches
Material Thickness
Between 0.0145 inches and 0.0175 inches
Hardness Rating
Between 70.0 rockwell b and 85.0 rockwell b
Material
Steel comp 430
Material Specification
Aisi assn standard single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
008394393
NSN
5310008394393

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
302594
Cage Code:
1UVT5
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 5310-00-839-4393
What are the manufacturers of nsn 5310008394393?
Does this nsn 5310008394393 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008394393
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 5310008394393 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008394393 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008394393?
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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