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Recessed Washer NSN 5310-01-093-1573

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 5310-01-093-1573 NSN: 5310-01-093-1573

Features and Characteristics

Hole Diameter
1.094 inches
Outside Diameter
Between 3.718 inches and 3.720 inches
Material Thickness
Between 0.123 inches and 0.127 inches
Top Recess Diameter
1.156 inches
Bottom Recess Angle
90.0 degrees
Top Recess Angle
90.0 degrees
Bottom Recess Diameter
1.156 inches
Surface Finish
63.0 microinches all surfaces
Material
Copper alloy 903
Material Specification
Qq-c-390, type 3 federal specification single material response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
010931573
NSN
5310010931573

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
845-4687679 ITEM 6
Cage Code:
80064
Status:
A
MSDS:
Part Number:
845-4687697 REV D ITEM 6
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: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-093-1573
What are the manufacturers of nsn 5310010931573?
Does this nsn 5310010931573 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010931573
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 5310010931573 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010931573 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010931573?
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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