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Recessed Washer NSN 5310-01-196-0253

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 5310-01-196-0253 NSN: 5310-01-196-0253

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Features and Characteristics

Hole Diameter
Between 0.3750 inches and 0.3755 inches
Outside Diameter
1.187 inches
Material Thickness
Between 0.151 inches and 0.156 inches
Top Recess Diameter
Between 0.4150 inches and 0.4155 inches
Bottom Recess Angle
90.0 degrees
Top Recess Angle
90.0 degrees
Bottom Recess Diameter
Between 0.4150 inches and 0.4155 inches
Surface Finish
63.0 microinches top
Material
Copper alloy
Material Specification
Bearium, grade b-10, fscm 85373 mfr ref single material response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
011960253
NSN
5310011960253

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
363B123-1
Cage Code:
17472
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 5310-01-196-0253
What are the manufacturers of nsn 5310011960253?
Does this nsn 5310011960253 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011960253
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 5310011960253 contain any precious metals?
No precious metal content.
Does nsn 5310011960253 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011960253?
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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