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Shouldered And Recessed Washer NSN 5310-00-950-8791

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 5310-00-950-8791 NSN: 5310-00-950-8791

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Features and Characteristics

Hole Diameter
0.953 inches
Shoulder Diameter
1.187 inches
Outside Diameter
1.280 inches
Recess Diameter
1.118 inches
Shoulder Height
0.055 inches
Material Thickness
Between 0.030 inches and 0.035 inches
Hardness Rating
61.5 rockwell superficial 30-t
Recess Angle
90.0 degrees
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6 federal specification single material response
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
009508791
NSN
5310009508791

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
544803
Cage Code:
73030
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 5310-00-950-8791
What are the manufacturers of nsn 5310009508791?
Does this nsn 5310009508791 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310009508791
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 5310009508791 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310009508791 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310009508791?
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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