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Ring Spacer NSN 5365-01-079-1821

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 5365-01-079-1821 NSN: 5365-01-079-1821

Features and Characteristics

Inside Diameter
Between 0.496 inches and 0.506 inches
Outside Diameter
Between 0.610 inches and 0.620 inches
Overall Thickness
Between 0.029 inches and 0.035 inches
Material
Steel comp 321 or steel comp 301 or steel comp 302 or steel comp 316 or steel comp 303
Material Specification
Mil-s-6721 military specification all material responses or mil-s-5059 military specification all material responses or mil-s-7720 military specification all material responses
FSC
5365 Spacers Shims Rings Bushings
NIIN
010791821
NSN
5365010791821

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S8157N251-032
Cage Code:
70210
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 5365-01-079-1821
What are the manufacturers of nsn 5365010791821?
Does this nsn 5365010791821 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5365010791821
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 5365010791821 contain any precious metals?
Precious metal content is unknown.
Does nsn 5365010791821 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5365010791821?
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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