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Recessed Washer NSN 5310-00-576-1072

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 5310-00-576-1072 NSN: 5310-00-576-1072

Features and Characteristics

Hole Diameter
Between 1.766 inches and 1.796 inches
Outside Diameter
Between 3.938 inches and 4.062 inches
Overall Height
Between 0.203 inches and 0.234 inches
Recess Diameter
1.906 inches
Recess Depth
0.062 inches
Min. Tensile Strength (psi)
55000 pounds per square inch
Recess Angle
90.0 degrees
Special Features
0.125 in. By 45 degrees chamfer located at peripheral of recessed surface
Heat Treatment
Hot rolled or cold drawn 1/2 hard condition
Material
Copper alloy
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
005761072
NSN
5310005761072

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
17-30920-1
Cage Code:
80020
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 5310-00-576-1072
What are the manufacturers of nsn 5310005761072?
Does this nsn 5310005761072 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005761072
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 5310005761072 contain any precious metals?
No precious metal content.
Does nsn 5310005761072 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005761072?
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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