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Recessed Washer NSN 5310-00-140-7954

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 5310-00-140-7954 NSN: 5310-00-140-7954

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Features and Characteristics

Hole Diameter
Between 0.285 inches and 0.286 inches
Outside Diameter
Between 0.622 inches and 0.628 inches
Overall Height
Between 0.030 inches and 0.036 inches
Recess Depth
Between 0.025 inches and 0.029 inches
Material Thickness
Between 0.011 inches and 0.013 inches
Min. Tensile Strength (psi)
185000 pounds per square inch
Hardness Rating
39.0 rockwell c
Surface Finish
63.0 microinches all surfaces
Material
Copper alloy
Material Specification
Qq-c-533 half hard federal specification single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
001407954
NSN
5310001407954

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B509001048-1
Cage Code:
14804
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 5310-00-140-7954
What are the manufacturers of nsn 5310001407954?
Does this nsn 5310001407954 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001407954
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 5310001407954 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001407954 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001407954?
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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