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Recessed Washer NSN 5310-00-385-6022

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 5310-00-385-6022 NSN: 5310-00-385-6022

Features and Characteristics

Hole Diameter
Between 0.740 inches and 0.750 inches
Outside Diameter
1.060 inches
Material Thickness
Between 0.1235 inches and 0.1240 inches
Top Recess Diameter
Between 0.760 inches and 0.780 inches
Bottom Recess Angle
90.0 degrees
Top Recess Angle
90.0 degrees
Bottom Recess Diameter
Between 0.760 inches and 0.780 inches
Surface Finish
63.0 microinches top
Color
White
Material
Copper alloy 630
Material Specification
Ams 4640 assn standard single material response
Surface Treatment
Paint
Surface Treatment Specification
Mms-420, fscm 76301 mfr ref single treatment response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
003856022
NSN
5310003856022

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
68A410655-2001
Cage Code:
76301
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-385-6022
What are the manufacturers of nsn 5310003856022?
Does this nsn 5310003856022 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310003856022
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 5310003856022 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310003856022 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310003856022?
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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