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Shouldered And Recessed Washer NSN 5310-01-265-4815

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 5310-01-265-4815 NSN: 5310-01-265-4815

Features and Characteristics

Hole Diameter
1.260 inches
Shoulder Diameter
1.500 inches
Outside Diameter
1.875 inches
Shoulder Height
Between 0.111 inches and 0.121 inches
Material Thickness
0.160 inches
Features Provided
Casehardened
Hardness Rating
79.0 rockwell a
Recess Angle
60.0 degrees
Surface Finish
63.0 microinches top
Special Features
Two grooves on boss surface 0.120 in. Wide 150 degrees apart
Heat Treatment
Hot rolled
Material
Steel comp 1117
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
012654815
NSN
5310012654815

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
T21965
Cage Code:
75160
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 5310-01-265-4815
What are the manufacturers of nsn 5310012654815?
Does this nsn 5310012654815 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012654815
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 5310012654815 contain any precious metals?
No precious metal content.
Does nsn 5310012654815 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012654815?
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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  •   Quality Inspected Parts
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