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Recessed Washer NSN 5310-00-816-8310

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 5310-00-816-8310 NSN: 5310-00-816-8310

Features and Characteristics

Hole Diameter
Between 0.1415 inches and 0.1485 inches
Outside Diameter
Between 0.423 inches and 0.443 inches
Recess Diameter
Between 0.369 inches and 0.379 inches
Material Thickness
Between 0.049 inches and 0.069 inches
Recess Angle
Between 119.0 degrees and 121.0 degrees
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6 federal specification single material response
Surface Treatment
Chromate
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
008168310
NSN
5310008168310

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
LS2816-2
Cage Code:
98897
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616108000
  • NAICS: 332722
  • SITC: 69440
  • Description: Cotters, cotter-pins, washers and similar articles, of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-816-8310
What are the manufacturers of nsn 5310008168310?
Does this nsn 5310008168310 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008168310
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 5310008168310 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008168310 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008168310?
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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