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Recessed Washer NSN 5310-01-272-4833

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 5310-01-272-4833 NSN: 5310-01-272-4833

Features and Characteristics

Hole Diameter
Between 3.936 inches and 3.937 inches
Outside Diameter
5.250 inches
Material Thickness
Between 0.248 inches and 0.250 inches
Top Recess Diameter
Between 4.036 inches and 4.037 inches
Bottom Recess Angle
90.0 degrees
Top Recess Angle
90.0 degrees
Bottom Recess Diameter
Between 4.036 inches and 4.037 inches
Surface Finish
63.0 microinches top
Material
Steel comp 1009 or steel comp 1020 or steel comp 1035 or steel comp 1040 or steel comp 1045 or steel comp 1050
Material Specification
Qq-s-635 federal specification all material responses
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
012724833
NSN
5310012724833

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4847481
Cage Code:
80064
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 5310-01-272-4833
What are the manufacturers of nsn 5310012724833?
Does this nsn 5310012724833 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012724833
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 5310012724833 contain any precious metals?
No precious metal content.
Does nsn 5310012724833 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012724833?
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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