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Key Washer NSN 5310-00-161-0560

Item Description

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

NSN 5310-00-161-0560 NSN: 5310-00-161-0560

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Features and Characteristics

Hole Diameter
Between 3.630 inches and 3.650 inches
Outside Diameter
Between 3.970 inches and 3.990 inches
External Straight Key Width
Between 0.280 inches and 0.290 inches
Internal Straight Key Width
Between 0.230 inches and 0.240 inches
Distance From Centerline To Top Of Internal Key
Between 0.168 inches and 0.170 inches
Overall Distance Including Keys
Between 4.235 inches and 4.245 inches
External Key Quantity
3
Internal Key Quantity
4
Material Thickness
Between 0.046 inches and 0.054 inches
Hardness Rating
24.0 rockwell c
Surface Finish
63.0 microinches all surfaces
Special Features
One external key oriented 30 degrees from one internal key all external keys equally spaced and washer bent from the flat 0.040 in. Min 0.050 in. Max
Material
Steel
Material Specification
Ams 5525 assn standard single material response
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
001610560
NSN
5310001610560

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3020T69P01
Cage Code:
99207
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 5310-00-161-0560
What are the manufacturers of nsn 5310001610560?
Does this nsn 5310001610560 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001610560
A washer of nonresilient material usually having two parallel bearing surfaces. the outside and/or inside edges have one or more protuberances. the ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. the keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. excludes thrust type washer.
Does nsn 5310001610560 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001610560 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001610560?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
01869
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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