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Recessed Washer NSN 5310-01-074-4500

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 5310-01-074-4500 NSN: 5310-01-074-4500

Features and Characteristics

Hole Diameter
Between 0.088 inches and 0.098 inches
Outside Diameter
Between 0.190 inches and 0.210 inches
Recess Diameter
Between 0.169 inches and 0.175 inches
Material Thickness
Between 0.037 inches and 0.043 inches
End Application
Fc computer
Recess Angle
100.0 degrees
Material
Steel comp 303
Material Specification
Qq-s-764 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 federal specification single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
010744500
NSN
5310010744500

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
11781518
Cage Code:
19200
Status:
A
MSDS:
Part Number:
8011204-1
Cage Code:
06481
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 5310-01-074-4500
What are the manufacturers of nsn 5310010744500?
Does this nsn 5310010744500 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010744500
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 5310010744500 contain any precious metals?
No precious metal content.
Does nsn 5310010744500 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010744500?
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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