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Recessed Washer NSN 5310-00-143-6410

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 5310-00-143-6410 NSN: 5310-00-143-6410

Features and Characteristics

Hole Diameter
Between 0.386 inches and 0.390 inches
Outside Diameter
Between 0.695 inches and 0.700 inches
Material Thickness
Between 0.028 inches and 0.033 inches
Hardness Rating
105.0 rockwell b
Top Recess Diameter
Between 0.406 inches and 0.430 inches
Bottom Recess Angle
90.0 degrees
Top Recess Angle
90.0 degrees
Bottom Recess Diameter
Between 0.406 inches and 0.430 inches
Heat Treatment
As fabricated
Material
Steel comp 304 or steel
Material Specification
Ams5513 assn standard 1st material response and ams5639 assn standard 2nd material response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
001436410
NSN
5310001436410

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
732010-2
Cage Code:
73030
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 5310-00-143-6410
What are the manufacturers of nsn 5310001436410?
Does this nsn 5310001436410 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001436410
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 5310001436410 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001436410 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001436410?
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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