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Shouldered And Recessed Washer NSN 5310-00-285-9101

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 5310-00-285-9101 NSN: 5310-00-285-9101

Features and Characteristics

Hole Diameter
Between 0.505 inches and 0.511 inches
Shoulder Diameter
Between 0.565 inches and 0.571 inches
Outside Diameter
Between 0.840 inches and 0.850 inches
Shoulder Height
Between 0.060 inches and 0.066 inches
Material Thickness
Between 0.120 inches and 0.126 inches
Hardness Rating
Between 26.0 rockwell c and 34.0 rockwell c
Recess Angle
120.0 degrees
Material
Steel comp 416f
Material Specification
Ams 5610 assn standard single material response
Surface Treatment
Oxide film
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
002859101
NSN
5310002859101

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
13163
Cage Code:
11599
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 5310-00-285-9101
What are the manufacturers of nsn 5310002859101?
Does this nsn 5310002859101 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002859101
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 5310002859101 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002859101 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002859101?
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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