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Recessed Washer NSN 5310-00-841-2270

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 5310-00-841-2270 NSN: 5310-00-841-2270

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Features and Characteristics

Hole Diameter
Between 0.190 inches and 0.193 inches
Outside Diameter
Between 0.425 inches and 0.443 inches
Overall Height
Between 0.172 inches and 0.183 inches
Recess Depth
Between 0.111 inches and 0.120 inches
Material Thickness
Between 0.096 inches and 0.098 inches
Hardness Rating
Between 32.0 rockwell c and 36.0 rockwell c
Material
Steel comp 1330 or steel comp 3130 or steel comp 4130
Material Specification
66 federal standard 1st material response or sae assn standard 2nd material response or 66 federal standard 3rd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
008412270
NSN
5310008412270

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS159S3
Cage Code:
84256
Status:
A
MSDS:
Part Number:
51210S3
Cage Code:
84256
Status:
A
MSDS:
Part Number:
51404S3
Cage Code:
84256
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318220000
  • NAICS: 332722
  • SITC: 69422
  • Description: Washers other than lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-841-2270
What are the manufacturers of nsn 5310008412270?
Does this nsn 5310008412270 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008412270
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 5310008412270 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008412270 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008412270?
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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