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Shouldered Washer NSN 5310-00-495-3027

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 5310-00-495-3027 NSN: 5310-00-495-3027

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Features and Characteristics

Hole Diameter
Between 0.311 inches and 0.318 inches
Shoulder Diameter
1.125 inches
Outside Diameter
4.000 inches
Shoulder Height
0.250 inches
Material Thickness
0.188 inches
Hardness Rating
40.0 shore durometer a
Material
Rubber synthetic
Material Specification
Mil-s-6855 cl 1 grade 40 military specification single material response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
004953027
NSN
5310004953027

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2-1032-2
Cage Code:
60685
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 4016930000
  • NAICS: 339991
  • SITC: 62999
  • Description: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
  • End Use (Code 12750):
    Industrial rubber products

Q & A

Frequently asked questions for NSN 5310-00-495-3027
What are the manufacturers of nsn 5310004953027?
Does this nsn 5310004953027 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004953027
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 5310004953027 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310004953027 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004953027?
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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