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Key Washer NSN 5310-00-638-9138

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 5310-00-638-9138 NSN: 5310-00-638-9138

Features and Characteristics

Hole Diameter
Between 0.566 inches and 0.571 inches
Outside Diameter
Between 0.734 inches and 0.766 inches
External Straight Key Width
Between 0.109 inches and 0.141 inches
Internal Straight Key Width
Between 0.091 inches and 0.093 inches
Distance From Centerline To Top Of Internal Key
Between 0.220 inches and 0.222 inches
Overall Distance Including Keys
Between 1.047 inches and 1.078 inches
External Key Quantity
8
Internal Key Quantity
1
Material Thickness
Between 0.027 inches and 0.037 inches
Surface Finish
63.0 microinches all surfaces
Material
Steel comp 302
Material Specification
Mil-s-5059, cond a military specification single material response
Surface Treatment
Cadmium or passivate
Surface Treatment Specification
Qq-p-416, type 1, class 2 federal specification 1st treatment response
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
006389138
NSN
5310006389138

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
99253-01
Cage Code:
3CPE0
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 5310-00-638-9138
What are the manufacturers of nsn 5310006389138?
Does this nsn 5310006389138 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310006389138
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 5310006389138 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310006389138 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310006389138?
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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