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Recessed Washer NSN 5310-00-579-0240

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 5310-00-579-0240 NSN: 5310-00-579-0240

Features and Characteristics

Hole Diameter
Between 0.069 inches and 0.070 inches
Outside Diameter
Between 0.372 inches and 0.374 inches
Overall Height
Between 0.154 inches and 0.156 inches
Recess Depth
Between 0.065 inches and 0.070 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 4130
Material Specification
Mil-s-6758 military specification single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
005790240
NSN
5310005790240

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
601095
Cage Code:
62983
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 5310-00-579-0240
What are the manufacturers of nsn 5310005790240?
Does this nsn 5310005790240 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005790240
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 5310005790240 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005790240 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005790240?
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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