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Recessed Washer NSN 5310-01-170-8544

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 5310-01-170-8544 NSN: 5310-01-170-8544

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Features and Characteristics

Hole Diameter
Between 0.378 inches and 0.388 inches
Outside Diameter
0.687 inches
Recess Diameter
Between 0.483 inches and 0.495 inches
Material Thickness
0.080 inches
Recess Angle
90.0 degrees
Material
Aluminum alloy 5052
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
011708544
NSN
5310011708544

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SS5103-D06
Cage Code:
78286
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 5310-01-170-8544
What are the manufacturers of nsn 5310011708544?
Does this nsn 5310011708544 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011708544
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 5310011708544 contain any precious metals?
No precious metal content.
Does nsn 5310011708544 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011708544?
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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