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Recessed Washer NSN 5310-00-527-0690

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 5310-00-527-0690 NSN: 5310-00-527-0690

Features and Characteristics

Hole Diameter
Between 0.5010 inches and 0.5030 inches
Outside Diameter
Between 0.874 inches and 0.876 inches
Recess Diameter
Between 0.541 inches and 0.543 inches
Material Thickness
Between 0.055 inches and 0.058 inches
Recess Angle
90.0 degrees
Material
Steel comp 4615
Material Specification
Astm a304 assn standard single material response or astm a322 assn standard single material response or astm a331 assn standard single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
005270690
NSN
5310005270690

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS83254
Cage Code:
11976
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 5310-00-527-0690
What are the manufacturers of nsn 5310005270690?
Does this nsn 5310005270690 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005270690
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 5310005270690 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005270690 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005270690?
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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