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Recessed Washer NSN 5310-00-486-4677

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 5310-00-486-4677 NSN: 5310-00-486-4677

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Features and Characteristics

Hole Diameter
Between 0.260 inches and 0.270 inches
Outside Diameter
Between 0.454 inches and 0.464 inches
Recess Diameter
Between 0.332 inches and 0.342 inches
Material Thickness
Between 0.075 inches and 0.095 inches
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
Between 40.0 rockwell c and 46.0 rockwell c
Recess Angle
Between 88.0 degrees and 92.0 degrees
Surface Finish
32.0 microinches top
Special Features
0.290 in. Min, 0.310 in. Max spherical radius one side of bearing surface
Material Specification
Mil-s-6758 military specification 1st material response or mil-s-18729 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams 6358 assn standard 2nd material response or astm a193 assn standard 3rd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
004864677
NSN
5310004864677

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
LS10095-4CV
Cage Code:
98897
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5310-00-486-4677
What are the manufacturers of nsn 5310004864677?
Does this nsn 5310004864677 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004864677
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 5310004864677 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310004864677 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004864677?
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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