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Key Washer NSN 5310-01-055-3856

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 5310-01-055-3856 NSN: 5310-01-055-3856

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Features and Characteristics

Hole Diameter
0.438 inches
External Prebent Key Length
0.250 inches
External Prebent Key Width
Between 0.390 inches and 0.422 inches
Distance From Centerline To Inside Of Prebent Key
0.531 inches
Overall Distance Including Keys
1.328 inches
Overall Width
0.750 inches
Material Thickness
0.036 inches
Criticality Code Justification
Zzzy
Material
Copper alloy
Material Specification
Astm b291 1/2 hard assn standard single material response
Special Test Features
Special quality control testing
Test Data Document
81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Reference Number Differentiating Characteristics
As differentiated by material which must conform to ships parts control center special quality control provisions
FSC
5310 Nuts And Washers
NIIN
010553856
NSN
5310010553856

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1071381121
Cage Code:
17590
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-055-3856
What are the manufacturers of nsn 5310010553856?
Does this nsn 5310010553856 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010553856
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 5310010553856 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010553856 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010553856?
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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