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Recessed Washer NSN 5310-00-133-4859

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 5310-00-133-4859 NSN: 5310-00-133-4859

Features and Characteristics

Hole Diameter
Between 0.515 inches and 0.520 inches
Outside Diameter
0.667 inches
Material Thickness
Between 0.060 inches and 0.065 inches
Top Recess Diameter
Between 0.547 inches and 0.552 inches
Bottom Recess Angle
90.0 degrees
Top Recess Angle
90.0 degrees
Bottom Recess Diameter
Between 0.547 inches and 0.552 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Material Specification
S.80 fscm k0131 mfr ref single material response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
001334859
NSN
5310001334859

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
77206236
Cage Code:
K0131
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 5310-00-133-4859
What are the manufacturers of nsn 5310001334859?
Does this nsn 5310001334859 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001334859
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 5310001334859 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001334859 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001334859?
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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