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Recessed Washer NSN 5310-01-053-9819

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 5310-01-053-9819 NSN: 5310-01-053-9819

Features and Characteristics

Hole Diameter
0.193 inches
Outside Diameter
0.650 inches
Overall Height
0.160 inches
Recess Diameter
0.375 inches
Recess Depth
Between 0.025 inches and 0.030 inches
Material
Stainless steel
Material Specification
Mil-s-18732 military specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type 1 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
010539819
NSN
5310010539819

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
229-006232
Cage Code:
K0656
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 5310-01-053-9819
What are the manufacturers of nsn 5310010539819?
Does this nsn 5310010539819 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010539819
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 5310010539819 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010539819 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010539819?
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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