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Recessed Washer NSN 5310-01-459-6937

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 5310-01-459-6937 NSN: 5310-01-459-6937

Features and Characteristics

Hole Diameter
Between 0.088 inches and 0.093 inches
Outside Diameter
0.200 inches
Recess Diameter
Between 0.179 inches and 0.189 inches
Material Thickness
0.055 inches
Recess Angle
Between 80.0 degrees and 84.0 degrees
Surface Finish
125.0 microinches all surfaces
Special Features
First end chamferedfrom end 0.015 in up and at a 45.0 degree angle
Material
Steel comp 303
Material Specification
Astm a582 cres 303, cond a assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type iv federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
014596937
NSN
5310014596937

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2277-13617-02
Cage Code:
95542
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 5310-01-459-6937
What are the manufacturers of nsn 5310014596937?
Does this nsn 5310014596937 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310014596937
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 5310014596937 contain any precious metals?
No precious metal content.
Does nsn 5310014596937 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310014596937?
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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