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Recessed Washer NSN 5310-00-076-9861

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 5310-00-076-9861 NSN: 5310-00-076-9861

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Features and Characteristics

Hole Diameter
Between 0.562 inches and 0.572 inches
Outside Diameter
2.000 inches
Recess Diameter
Between 0.663 inches and 0.673 inches
Material Thickness
0.390 inches
Recess Angle
90.0 degrees
Surface Finish
63.0 microinches all surfaces
Special Features
Counterbore 1.000 in. Diameter by 0.075 in. Deep
Material
Aluminum alloy
Material Specification
Qq-a-268, t4 federal specification single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
000769861
NSN
5310000769861

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
204-030-913-3
Cage Code:
97499
Status:
A
MSDS:
Part Number:
204-030-913-003
Cage Code:
97499
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 5310-00-076-9861
What are the manufacturers of nsn 5310000769861?
Does this nsn 5310000769861 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000769861
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 5310000769861 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000769861 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000769861?
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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