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Shouldered Washer NSN 5310-01-337-0990

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 5310-01-337-0990 NSN: 5310-01-337-0990

Features and Characteristics

Hole Diameter
Between 1.719 inches and 1.734 inches
Shoulder Diameter
Between 2.002 inches and 2.003 inches
Outside Diameter
Between 2.290 inches and 2.300 inches
Shoulder Height
Between 0.315 inches and 0.320 inches
Material Thickness
0.080 inches
Material
Copper alloy 172
Material Specification
Qq-c-530 federal specification single material response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
013370990
NSN
5310013370990

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
510-11609-501
Cage Code:
82918
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 5310-01-337-0990
What are the manufacturers of nsn 5310013370990?
Does this nsn 5310013370990 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013370990
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 5310013370990 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310013370990 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013370990?
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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