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Recessed Washer NSN 5310-00-816-4270

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 5310-00-816-4270 NSN: 5310-00-816-4270

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Features and Characteristics

Hole Diameter
Between 0.313 inches and 0.315 inches
Outside Diameter
0.750 inches
Recess Diameter
0.653 inches
Material Thickness
0.160 inches
Recess Angle
100.0 degrees
Part Name Assigned By Controlling Agency
Navy special project
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, temper t851 federal specification single material response
Style Designator
15 recessed
Test Data Document
81349-mil-i-6866 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
008164270
NSN
5310008164270

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A51B46552-13
Cage Code:
61174
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 5310-00-816-4270
What are the manufacturers of nsn 5310008164270?
Does this nsn 5310008164270 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008164270
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 5310008164270 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008164270 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008164270?
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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