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Shouldered Washer NSN 5310-00-438-5129

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 5310-00-438-5129 NSN: 5310-00-438-5129

Features and Characteristics

Hole Diameter
Between 0.493 inches and 0.503 inches
Shoulder Diameter
Between 0.545 inches and 0.555 inches
Outside Diameter
Between 0.682 inches and 0.692 inches
Shoulder Height
0.091 inches
Material Thickness
Between 0.021 inches and 0.031 inches
Hardness Rating
Between 60.0 shore durometer a and 80.0 shore durometer a
Material
Rubber synthetic
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
004385129
NSN
5310004385129

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
21611-2
Cage Code:
01359
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 5310-00-438-5129
What are the manufacturers of nsn 5310004385129?
Does this nsn 5310004385129 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004385129
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 5310004385129 contain any precious metals?
No precious metal content.
Does nsn 5310004385129 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004385129?
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
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