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Recessed Washer NSN 5310-00-230-4680

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 5310-00-230-4680 NSN: 5310-00-230-4680

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Features and Characteristics

Hole Diameter
Between 0.563 inches and 0.565 inches
Outside Diameter
0.875 inches
Material Thickness
0.190 inches
Hardness Rating
34.0 rockwell c
Top Recess Diameter
0.625 inches
Bottom Recess Angle
100.0 degrees
Top Recess Angle
100.0 degrees
Bottom Recess Diameter
0.625 inches
Heat Treatment
As fabricated
Material
Steel
Material Specification
Ams 5629 assn standard single material response
Style Designator
Recessed both sides
Test Data Document
84955-kps 208 rating c specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
FSC
5310 Nuts And Washers
NIIN
002304680
NSN
5310002304680

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
K641222-11
Cage Code:
84955
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 5310-00-230-4680
What are the manufacturers of nsn 5310002304680?
Does this nsn 5310002304680 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002304680
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 5310002304680 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002304680 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002304680?
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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