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Recessed Washer NSN 5310-01-544-4220

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 5310-01-544-4220 NSN: 5310-01-544-4220

Features and Characteristics

Hole Diameter
Between 0.391 inches and 0.402 inches
Outside Diameter
Between 0.649 inches and 0.669 inches
Recess Diameter
Between 0.504 inches and 0.524 inches
Material Thickness
Between 0.057 inches and 0.069 inches
Recess Angle
Between 45.0 degrees and 50.0 degrees
Material
Stainless steel
Material Specification
Ams5525 assn standard single material response
Surface Treatment
Nickel and cadmium
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
015444220
NSN
5310015444220

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BACW10BP61AC
Cage Code:
81205
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 5310-01-544-4220
What are the manufacturers of nsn 5310015444220?
Does this nsn 5310015444220 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310015444220
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 5310015444220 contain any precious metals?
No precious metal content.
Does nsn 5310015444220 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310015444220?
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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