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Shouldered Washer NSN 5310-01-044-3040

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 5310-01-044-3040 NSN: 5310-01-044-3040

Features and Characteristics

Hole Diameter
Between 0.188 inches and 0.190 inches
Shoulder Diameter
Between 0.248 inches and 0.250 inches
Outside Diameter
0.343 inches
Shoulder Height
Between 0.033 inches and 0.035 inches
Material Thickness
Between 0.021 inches and 0.024 inches
Special Features
Chamfer 0.005 in. By 45 degrees on outside dia
Material
Steel comp 1213
Material Specification
Aisi assn standard single material response
Surface Treatment
Cadmium and chromate
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
010443040
NSN
5310010443040

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1A6-1291
Cage Code:
02765
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318220000
  • NAICS: 332722
  • SITC: 69422
  • Description: Washers other than lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-044-3040
What are the manufacturers of nsn 5310010443040?
Does this nsn 5310010443040 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010443040
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 5310010443040 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010443040 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010443040?
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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