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Shouldered And Recessed Washer NSN 5310-01-353-8289

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 5310-01-353-8289 NSN: 5310-01-353-8289

Features and Characteristics

Hole Diameter
Between 21.5 millimeters and 22.0 millimeters
Shoulder Diameter
74.0 millimeters
Outside Diameter
Between 100.9 millimeters and 102.5 millimeters
Recess Diameter
Between 43.2 millimeters and 44.0 millimeters
Shoulder Height
Between 4.8 millimeters and 5.1 millimeters
Recess Depth
10.5 millimeters
Material Thickness
13.0 millimeters
Material
Steel comp 4140
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
013538289
NSN
5310013538289

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
R93173
Cage Code:
75755
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 5310-01-353-8289
What are the manufacturers of nsn 5310013538289?
Does this nsn 5310013538289 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013538289
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 5310013538289 contain any precious metals?
No precious metal content.
Does nsn 5310013538289 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013538289?
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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