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Recessed Washer NSN 5310-00-110-9003

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 5310-00-110-9003 NSN: 5310-00-110-9003

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Features and Characteristics

Hole Diameter
Between 0.439 inches and 0.444 inches
Outside Diameter
Between 0.745 inches and 0.750 inches
Recess Diameter
Between 0.519 inches and 0.529 inches
Material Thickness
0.156 inches
Recess Angle
90.0 degrees
Surface Finish
32.0 microinches top
Heat Treatment
As fabricated
Material
Steel
Material Specification
Ams 5643 assn standard single material response
Surface Treatment
Passivate
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
001109003
NSN
5310001109003

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3253-025
Cage Code:
66503
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 5310-00-110-9003
What are the manufacturers of nsn 5310001109003?
Does this nsn 5310001109003 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001109003
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 5310001109003 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001109003 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001109003?
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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