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Recessed Washer NSN 5310-01-014-4286

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 5310-01-014-4286 NSN: 5310-01-014-4286

Features and Characteristics

Hole Diameter
Between 0.475 inches and 0.490 inches
Outside Diameter
Between 0.830 inches and 0.870 inches
Recess Diameter
Between 0.540 inches and 0.580 inches
Material Thickness
Between 0.128 inches and 0.132 inches
Hardness Rating
Between 50.0 rockwell c and 54.0 rockwell c
Recess Angle
90.0 degrees
Surface Finish
63.0 microinches top
Special Features
Chamfer one side 25 degrees min 35 degrees max by 0.075 in. Lg
Material
Steel comp e4340
Material Specification
Mil-s-5000 military specification single material response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
010144286
NSN
5310010144286

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3500355-1
Cage Code:
59364
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 5310-01-014-4286
What are the manufacturers of nsn 5310010144286?
Does this nsn 5310010144286 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010144286
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 5310010144286 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010144286 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010144286?
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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