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Recessed Washer NSN 5310-00-543-2252

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 5310-00-543-2252 NSN: 5310-00-543-2252

Features and Characteristics

Hole Diameter
Between 1.805 inches and 1.807 inches
Outside Diameter
Between 2.458 inches and 2.460 inches
Recess Diameter
Between 1.855 inches and 1.857 inches
Recess Depth
Between 0.015 inches and 0.035 inches
Material Thickness
Between 0.219 inches and 0.221 inches
Top Recess Diameter
Between 1.855 inches and 1.857 inches
Bottom Recess Angle
Between 89.5 degrees and 90.5 degrees
Top Recess Angle
Between 89.5 degrees and 90.5 degrees
Bottom Recess Diameter
Between 1.855 inches and 1.857 inches
Recess Angle
Between 89.5 degrees and 90.5 degrees
Surface Finish
40.0 microinches all surfaces
Special Features
Both outside edges are chamfered 0.025 inch by 45 degrees porm 1/2 degree
Material
Aluminum alloy 6061
Material Specification
Qq-a-327 federal specification single material response
Surface Treatment
Chromate
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
005432252
NSN
5310005432252

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
76620
Cage Code:
24930
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 5310-00-543-2252
What are the manufacturers of nsn 5310005432252?
Does this nsn 5310005432252 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005432252
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 5310005432252 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005432252 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005432252?
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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