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Key Washer NSN 5310-00-521-3771

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 5310-00-521-3771 NSN: 5310-00-521-3771

Features and Characteristics

Hole Diameter
3.625 inches
Outside Diameter
4.188 inches
External Prebent Key Width
0.3125 inches
Overall Distance Including Keys
5.124 inches
External Key Quantity
18
Special Features
Three keys 0.375 in.W with 0.391 in. Diameter hole centrally located
Material
Nickel alloy or steel comp 302 or steel comp 4
Material Specification
Qq-n-281 federal specification 1st material response or mil-s-5059 comp g cond a military specification 2nd material response or qq-s-636 cond 4 federal specification 3rd material response
Surface Treatment
Passivate or cadmium
FSC
5310 Nuts And Washers
NIIN
005213771
NSN
5310005213771

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S1210-0117-000
Cage Code:
78286
Status:
A
MSDS:
Part Number:
5310H19-018
Cage Code:
81996
Status:
A
MSDS:
Part Number:
S12-10-1007
Cage Code:
78286
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5310-00-521-3771
What are the manufacturers of nsn 5310005213771?
Does this nsn 5310005213771 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005213771
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 5310005213771 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005213771 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005213771?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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