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Shouldered Washer NSN 5310-00-942-8251

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 5310-00-942-8251 NSN: 5310-00-942-8251

Features and Characteristics

Hole Diameter
Between 3.376 inches and 3.377 inches
Shoulder Diameter
Between 3.576 inches and 3.577 inches
Outside Diameter
3.875 inches
Shoulder Height
Between 0.169 inches and 0.171 inches
Material Thickness
0.030 inches
Surface Finish
90.0 microinches all surfaces
Material
Copper alloy
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
009428251
NSN
5310009428251

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
65351-11145-101
Cage Code:
78286
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 5310-00-942-8251
What are the manufacturers of nsn 5310009428251?
Does this nsn 5310009428251 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310009428251
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 5310009428251 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310009428251 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310009428251?
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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