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Recessed Washer NSN 5310-00-368-4947

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 5310-00-368-4947 NSN: 5310-00-368-4947

Features and Characteristics

Hole Diameter
Between 0.198 inches and 0.204 inches
Outside Diameter
Between 0.370 inches and 0.390 inches
Overall Height
Between 0.050 inches and 0.070 inches
Recess Depth
Between 0.020 inches and 0.040 inches
Material Thickness
Between 0.020 inches and 0.040 inches
Material
Steel
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
003684947
NSN
5310003684947

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2287985
Cage Code:
7X677
Status:
A
MSDS:
Part Number:
46R313
Cage Code:
29092
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 5310-00-368-4947
What are the manufacturers of nsn 5310003684947?
Does this nsn 5310003684947 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310003684947
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 5310003684947 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310003684947 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310003684947?
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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