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Shouldered Washer NSN 5310-00-558-6855

Item Description

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

NSN 5310-00-558-6855 NSN: 5310-00-558-6855

Features and Characteristics

Hole Diameter
Between 0.135 inches and 0.145 inches
Shoulder Diameter
Between 0.182 inches and 0.186 inches
Outside Diameter
Between 0.245 inches and 0.250 inches
Shoulder Height
Between 0.025 inches and 0.035 inches
Material Thickness
0.020 inches
Material
Aluminum alloy 2024
Material Specification
Qq-a-250/4 federal specification single material response
Surface Treatment
Anodize
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
005586855
NSN
5310005586855

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
540-3941-002
Cage Code:
13499
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616108000
  • NAICS: 332722
  • SITC: 69440
  • Description: Cotters, cotter-pins, washers and similar articles, of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-558-6855
What are the manufacturers of nsn 5310005586855?
Does this nsn 5310005586855 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005586855
A washer, round in shape, and having a centrally located hole. one bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. the thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. for items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. excludes insulator, washer and thrust type washers.
Does nsn 5310005586855 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005586855 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005586855?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15934
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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