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Shouldered And Recessed Washer NSN 5310-01-123-2397

Item Description

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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 5310-01-123-2397 NSN: 5310-01-123-2397

Features and Characteristics

Hole Diameter
Between 2.757 inches and 2.762 inches
Shoulder Diameter
3.500 inches
Outside Diameter
Between 4.907 inches and 4.912 inches
Recess Diameter
Between 3.007 inches and 3.012 inches
Shoulder Height
Between 0.045 inches and 0.060 inches
Material Thickness
Between 0.190 inches and 0.205 inches
Recess Angle
90.0 degrees
Surface Finish
63.0 microinches shoulder face
Material
Steel
Material Specification
Astm a515, grade 70 assn standard single material response
Style Designator
Shouldered and recessed both sides
FSC
5310 Nuts And Washers
NIIN
011232397
NSN
5310011232397

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
803-2177142-5XX-18
Cage Code:
80064
Status:
A
MSDS:
Part Number:
803-2177142-514-18
Cage Code:
53711
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616108000
  • NAICS: 332722
  • SITC: 69440
  • Description: Cotters, cotter-pins, washers and similar articles, of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-123-2397
What are the manufacturers of nsn 5310011232397?
Does this nsn 5310011232397 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011232397
A washer, round in shape, having a centrally located hole. one bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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 5310011232397 contain any precious metals?
No precious metal content.
Does nsn 5310011232397 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011232397?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15935
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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