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Shouldered And Recessed Washer NSN 5310-01-097-6720

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 5310-01-097-6720 NSN: 5310-01-097-6720

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Features and Characteristics

Hole Diameter
Between 13.25 millimeters and 13.75 millimeters
Shoulder Diameter
27.0 millimeters
Outside Diameter
Between 31.5 millimeters and 32.0 millimeters
Shoulder Height
Between 2.59 millimeters and 3.10 millimeters
Material Thickness
Between 3.71 millimeters and 3.96 millimeters
Hardness Rating
Between 42.0 rockwell c and 46.0 rockwell c
Special Features
Locking feature inside conical shape
Color
Yellow
Material
Steel
Surface Treatment
Chromate
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
010976720
NSN
5310010976720

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5P1076
Cage Code:
11083
Status:
A
MSDS:
Part Number:
5P-1076
Cage Code:
U8468
Status:
A
MSDS:
Part Number:
CV125353
Cage Code:
U8468
Status:
A
MSDS:
Part Number:
3224-20-03
Cage Code:
78189
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 5310-01-097-6720
What are the manufacturers of nsn 5310010976720?
Does this nsn 5310010976720 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010976720
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 5310010976720 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010976720 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010976720?
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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