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Recessed Washer NSN 5310-00-227-1948

Item Description

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

NSN 5310-00-227-1948 NSN: 5310-00-227-1948

Features and Characteristics

Hole Diameter
Between 0.752 inches and 0.755 inches
Outside Diameter
1.125 inches
Overall Height
0.093 inches
Recess Depth
0.050 inches
Material Thickness
0.141 inches
Material
Copper alloy
Surface Treatment
Nickel
Surface Treatment Specification
Qq-290, cl 1, type 5 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
002271948
NSN
5310002271948

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
568095
Cage Code:
57733
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-227-1948
What are the manufacturers of nsn 5310002271948?
Does this nsn 5310002271948 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002271948
A washer of any peripheral shape having a centrally located hole. both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. the thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. the maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. excludes washer, concave, retainer, packing, and thrust type washers. see also spacer, sleeve; and spacer, stepped.
Does nsn 5310002271948 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002271948 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002271948?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15933
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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