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Ring Spacer NSN 5365-00-255-4372

Item Description

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

NSN 5365-00-255-4372 NSN: 5365-00-255-4372

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Features and Characteristics

Inside Diameter
Between 0.247 inches and 0.252 inches
Outside Diameter
Between 0.307 inches and 0.312 inches
Overall Thickness
Between 0.019 inches and 0.021 inches
Material
Steel comp 302
Material Specification
Mil-s-5059, cond annealed military specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-f-14072, finish no. E300 military specification single treatment response
FSC
5365 Spacers Shims Rings Bushings
NIIN
002554372
NSN
5365002554372

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
010113-007
Cage Code:
81413
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7326908595
  • NAICS: 332999
  • SITC: 69969
  • Description: Other articles of iron or steel not wire nesoi
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5365-00-255-4372
What are the manufacturers of nsn 5365002554372?
Does this nsn 5365002554372 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5365002554372
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. it has a solid cross-section and two flat parallel bearing surfaces. the distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. the diameter of the centrally located hole must exceed 75 percent of the outside diameter. excludes laminated items. for items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. for items manufactured from lubricated plastics, see bearing, washer, thrust. for items manufactured from lubricated felt, see felt, mechanical, preformed. excludes disk, valve; insulator washer; and shim. see also spacer, plate and spacer, sleeve.
Does nsn 5365002554372 contain any precious metals?
Precious metal content is unknown.
Does nsn 5365002554372 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5365002554372?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
24307
FIIG:
A07000
App. Key:
AD
Cond. Code:
1
Status:
A

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