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Recessed Washer NSN 5310-00-472-2698

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 5310-00-472-2698 NSN: 5310-00-472-2698

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Features and Characteristics

Hole Diameter
Between 0.115 inches and 0.135 inches
Outside Diameter
0.312 inches
Recess Diameter
Between 0.195 inches and 0.205 inches
Material Thickness
Between 0.029 inches and 0.035 inches
Recess Angle
100.0 degrees
Heat Treatment
T-4 solution heat treated, natural aged
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6 temper t4 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
No 19 fscm 80378 mfr ref single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
004722698
NSN
5310004722698

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
216-17621
Cage Code:
80378
Status:
A
MSDS:
Part Number:
216-17621-3
Cage Code:
80378
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 5310-00-472-2698
What are the manufacturers of nsn 5310004722698?
Does this nsn 5310004722698 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004722698
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 5310004722698 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310004722698 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004722698?
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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