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Shouldered And Recessed Washer NSN 5310-00-582-5971

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 5310-00-582-5971 NSN: 5310-00-582-5971

Features and Characteristics

Hole Diameter
Between 0.091 inches and 0.101 inches
Shoulder Diameter
Between 0.245 inches and 0.255 inches
Outside Diameter
Between 0.547 inches and 0.578 inches
Shoulder Height
Between 0.005 inches and 0.010 inches
Material Thickness
Between 0.045 inches and 0.055 inches
Recess Angle
Between 81.5 degrees and 82.5 degrees
Material
Aluminum alloy 2024
Material Specification
Qq-a-268 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-f-14072 military specification single treatment response
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
005825971
NSN
5310005825971

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SMA120118
Cage Code:
80063
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 5310-00-582-5971
What are the manufacturers of nsn 5310005825971?
Does this nsn 5310005825971 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005825971
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 5310005825971 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005825971 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005825971?
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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