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Recessed Washer NSN 5310-00-515-8766

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 5310-00-515-8766 NSN: 5310-00-515-8766

Features and Characteristics

Hole Diameter
Between 1.016 inches and 1.021 inches
Outside Diameter
Between 1.257 inches and 1.262 inches
Recess Diameter
Between 1.078 inches and 1.083 inches
Material Thickness
Between 0.0620 inches and 0.0627 inches
Recess Angle
90.0 degrees
Surface Finish
32.0 microinches top
Material
Steel comp 1035
Material Specification
Astm a108 assn standard single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
005158766
NSN
5310005158766

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5158766
Cage Code:
19204
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 5310-00-515-8766
What are the manufacturers of nsn 5310005158766?
Does this nsn 5310005158766 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005158766
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 5310005158766 contain any precious metals?
No precious metal content.
Does nsn 5310005158766 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005158766?
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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