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Shouldered And Recessed Washer NSN 5310-01-258-5776

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 5310-01-258-5776 NSN: 5310-01-258-5776

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Features and Characteristics

Hole Diameter
Between 0.3750 inches and 0.3756 inches
Shoulder Diameter
Between 0.4382 inches and 0.4387 inches
Outside Diameter
Between 0.600 inches and 0.620 inches
Material Thickness
Between 0.050 inches and 0.055 inches
Recess Angle
45.0 degrees
Material
Steel
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
012585776
NSN
5310012585776

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3039T24P02
Cage Code:
99207
Status:
A
MSDS:
Part Number:
10110232
Cage Code:
A486G
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 5310-01-258-5776
What are the manufacturers of nsn 5310012585776?
Does this nsn 5310012585776 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012585776
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 5310012585776 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310012585776 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012585776?
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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