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Key Washer NSN 5310-00-171-4278

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 5310-00-171-4278 NSN: 5310-00-171-4278

Features and Characteristics

Hole Diameter
Between 1.420 inches and 1.440 inches
Outside Diameter
Between 1.650 inches and 1.660 inches
External Straight Key Width
Between 0.090 inches and 0.110 inches
Internal Straight Key Width
Between 0.090 inches and 0.110 inches
Distance From Centerline To Top Of Internal Key
Between 0.610 inches and 0.615 inches
Overall Distance Including Keys
Between 1.840 inches and 1.860 inches
External Key Quantity
3
Internal Key Quantity
2
Material Thickness
Between 0.046 inches and 0.054 inches
Hardness Rating
Between 32.0 rockwell c and 36.0 rockwell c
Surface Finish
63.0 microinches all surfaces
Special Features
Washer curved from the flat 0.030 in. Min 0.050 in. Max
Material
Steel
Material Specification
Ams 6350 assn standard single material response
Surface Treatment
Phosphate
Surface Treatment Specification
+16-te5 cl 1 99207 mfr ref single treatment response
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
001714278
NSN
5310001714278

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4018T81P07
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 5310-00-171-4278
What are the manufacturers of nsn 5310001714278?
Does this nsn 5310001714278 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001714278
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 5310001714278 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001714278 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001714278?
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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